Document:

<PAGE>

                                                                  EXHIBIT 10.24

                                   Visonland

                                  Rapid River

<PAGE>

                                    AGREEMENT

This Agreement is between:  RX Technology(SM)
                            P.O. Box 9112
                            Mandeville, LA 70470-9112
                            United States of America
                            Phone: (504) 727-9412
                      and

                            Visionland

This Agreement concerns the furnishing of a photosystem(s) by RX Technology(SM)
to "The Park" for a ride(s) known as:

                               "River Rapids Ride"

1.    Responsibilities

      1.1   RX Technology(SM)

            A.    Provide a Theme Park photosystem(s) each comprising of:

                  1)    Complete photo-imaging system
                  2)    Video camera(s),
                  3)    Printers,
                  4)    Color display monitors,
                  5)    Electronic Point of Sale (POS) units,
                  6)    Cash registers,
                  7)    A suitable trigger source to detect the ride and
                  8)    Suitable flash/lighting units.

            B.    Provide video cables from the camera pole to the
                  photobuilding.

            C.    Provide backup equipment for unexpected equipment malfunction,
                  thereby avoiding prolonged delay in repair. Backup equipment
                  required to be determined by RX Technology(SM).

            D.    Properly and completely install the photosystem(s).

            E.    Provide technical support and maintenance to ensure proper
                  functioning of the photosystem, to the best of its ability.

                                                            Initial: [ILLEGIBLE]

                                - Page 1 of 5 -
<PAGE>

            F.    Provide complete initial training of the staff including
                  support after opening.

            G.    Provide "The Park" with operational and troubleshooting
                  guides.

            H.    Supply the print media and ink cartridges for the video
                  printers. RX Technology(SM) to be the sole supplier of all
                  video printer paper.

            I.    Supply register paper rolls and ink cartridges for sales
                  register printers.

      1.2   "The Park"

            A.    Provide liability and general business insurance coverage for
                  the photobuildings and its contents.

            B.    Provide a suitable sales building for each photosystem - as
                  agreed.

            C.    Conduct all routine accounting procedures. These procedures
                  include any submission of taxes to state and local agencies
                  and the preparation of weekly sales and revenue figures.

            D.    Staff and operate all RX Technology(SM) photosystem
                  operations.

            E.    Provide themeing and signage for the sales building. Provide
                  signage for photo sales.

            F.    Provide a suitable presentation folder for the photographs.
                  Folders must allow fast insertion of the photographs by the
                  sales staff. (Samples available in Appendix "B")

            G.    Supply electrical wiring from the sales building to the camera
                  pole with the breaker switch located in the sales area.

            H.    Supply electrical wiring to the sales building and separate
                  circuit breakers as detailed in guidelines provided by RX
                  Technology(SM).

            I.    Provide an electrician or other park employee or contractor to
                  lay and pull cables, put up lights, etc. under instruction and
                  supervision of RX Technology(SM).

            J.    Provide and install a direct telephone line to the sales
                  building.

            K.    Purchase and install a suitable pole(s) - for the camera,
                  flash units and trigger sensor.

            L.    Supply trunking/conduit of at least 2 inches in internal
                  diameter and install it between the sales building and the
                  camera site, above or below the ground.

                                                            Initial: [ILLEGIBLE]

                                - Page 2 of 5 -

<PAGE>

2.    Terms and Conditions

      A.    The length of this Agreement is to be for a period of 5 years. RX
            Technology(SM) agrees to ensure that the photosystem(s) is updated,
            to the best of its ability. "The Park" agrees to ensure that the
            ride(s) is kept updated as appropriate.

      B.    In the event a ride is closed RX Technology(SM) and the Park may
            elect to reposition the system. Modification and changes required
            will be negotiated at the then current time and materials charges.

      C.    Both parties agree that neither shall be held liable for loss of
            income due to ride or system malfunction.

      D.    "The Park" will use its own banking method and security when
            depositing monies taken in payment of the photographs sold. RX
            Technology(SM) share of the revenue will be sent on a weekly basis
            to RX Technology(SM) at P.O. Box 9112, Mandeville, LA 70470.

      E.    The selling price of the photographs shall be determined by mutual
            agreement between "The Park" and RX Technology(SM). It is agreed
            that the selling price can vary throughout the season.

      G.    Upon termination of this Agreement, RX Technology(SM) shall remove
            its property from park grounds.

      H.    Upon termination of the summer season RX Technology(SM) shall remove
            its property from park grounds and re-install and test at the
            beginning of the next season. We will perform routine maintenance on
            the equipment and update as required.

3.    General Statement

      A.    All revenue produced by the use of the photosystem(s) supplied by RX
            Technology(SM) are to be divided between RX Technology(SM) and "The
            Park" as agreed.

      B.    RX Technology(SM) agrees to license the use of its technology in
            "The Park" with no additional fees other than those described in
            this Agreement.

      C.    Installation dates of the photosystem equipment on the
            aforementioned rides is to be determined based upon availability of
            the sales building and completion of construction and electrical
            requirements. Target opening date is Spring 1999.

                                                            Initial: [ILLEGIBLE]

                                - Page 3 of 5 -

<PAGE>

4.    Revenue Distribution

      The gross revenue calculation is to be based on the formula used in the
      following example:

                    THESE FIGURES ARE USED AS AN EXAMPLE ONLY

             Total Sale
                                                            $8.50

                                      -less 7% sales tax   -$ .55
                                                           ------

                                                           ------

             Retail Sales Price                             $7.95

             40% Payment to "The Park"                     -$3.18

             RX Technology (RX pays for print media)        $4.77

5.    Property Rights

      A.    RX Technology(SM) will retain ownership of those parts of the
            photosystem(s) that it supplies at all times throughout the duration
            of this Agreement and afterwards.

      B.    "The Park" will retain ownership of those parts of the
            photosystem(s) that it supplied, as detailed in this Agreement, at
            all times throughout the duration of this Agreement and afterwards.

6.    System Operation

      A.    "The Park" understands and agrees to leave the RX Technology(SM)
            photosystem equipment on at all times; 24-hours a day, 7 days a week
            -- including days when "The Park" is not open to the public.
            Temperature must remain constant at all times as fluctuations are
            extremely harmful to the photosystem. Staff will be instructed to
            leave the system in a "sleep" mode before leaving each day.

      B.    Proper care and handling of the RX Technology(SM) photosystem will
            prevent unnecessary malfunctions. It is imperative that our manuals
            and guides be closely adhered to at all times by all Park staff at
            all times.

                                                            Initial: [ILLEGIBLE]

                                - Page 4 of 5 -

<PAGE>

7.    Acceptance

      A.    This Agreement, when signed by both parties as indicated herein,
            shall constitute the entire Agreement relating to the supply of a
            ride photosystem(s) and shall supersede all prior representations or
            contracts relating thereto and not incorporated in this Agreement No
            modification or waiver of this Agreement shall be valid unless made
            in writing and signed by an authorized officer or representative of
            each party.

      B.    "The Park" has been made aware of this Agreement and grants the
            authority to engage in aforementioned business activities with RX
            Technology(SM). A representative of "The Park" shall acknowledge
            this Agreement by signing where indicated below.

8.    Notices

      All notices required or permitted to be given hereunder shall be in
      writing and personally delivered or sent by courier or registered or
      certified mail, postage prepaid, return receipt requested, addressed as
      listed below.

9.    Force Majeure

      Neither party shall be liable to the other for delay or failure to comply
      with the provisions of this Agreement when such is caused by strikes,
      other labor difficulties, wars, fires, floods, explosions, earthquakes,
      government regulations, shortages in material, or any other reasonable
      cause beyond either party's control.

Signed for and on behalf of:           Signed for and on behalf of:

RX Technology(SM) Inc.                 Visionland
P.O. Box 9112
Mandeville, LA 70470-9112

Signed /s/ Donald Rex Gay              Signed /s/ GR Langford
       -------------------------              ----------------------------------

Print Name Donald Rex Gay              Print Name GR Langford
           ---------------------                  ------------------------------

Date 2-4-99                            Date 2/4/99
     --------------------------             -----------------------------------

                                                            Initial: [ILLEGIBLE]

                                - Page 5 of 5 -<PAGE>

                                                                 EXHIBIT 10.25

                                   Kennywood

                                   Front Gate
<PAGE>

                                    AGREEMENT

This Agreement is between: RX TechnologySM
                           P.O. Box 9112
                           Mandeville, LA 70470-9112
                           United States of America
                           Phone: (504) 727-9412

                   and

                           Kennywood Entertainment Partners, L.P. ("The Park")
                           4800 Kennvwood Boulevard
                           West Mifflin, PA 15122-2399

This Agreement conceRXs the fuRXishing of a photosystem(s) by RX TechnologySA"
to "The Park" for a ride(s) known as:

                          1. Log Jammer
                          2. Front gate system utilizing digital cameras to
                             co-exist with ride photo system

1.Responsibilities

      1.1 RX TechnologySM

            A. Provide a Theme Park photosystem(s) each comprising of:

                   1) Complete photo-imaging system
                   2) Video camera(s),
                   3) Printers,
                   4) Color display monitors,
                   5) Electronic Point of Sale (POS) units,
                   6) Cash registers,
                   7) A suitable trigger source to detect the ride and
                   8) Suitable flash/lighting units.

            B.    Provide video cables from the camera pole to the
                  photobuilding.

            C.    Provide backup equipment for unexpected equipment malfunction,
                  thereby avoiding prolonged delay in repair. Backup equipment
                  required to be determined by RX TechnologySM

             D.    Properly and completely install the photosystem(s).

            E.    Provide technical support and maintenance to ensure proper
                  functioning of the photosystem, to the best of its ability.

            F     Provide complete initial training of the staff, including
                  support after opening.

                                        -Page l of 6-
<PAGE>

            G.    Provide generic white folders for the photographs. Folders
                  must allow fast insertion of the photographs by the sales
                  staff.

            H.    Provide "The Park" with operational and troubleshooting
                  guides.

            I.    Supply the print media and ink cartridges for the video
                  printers. RX TechnologySM to be the sole supplier of all
                  video printer paper.

            J.    Supply register paper rolls and ink cartridges for sales
                  register printers.

      1.2 "The Park"

            A.    Provide liability and general business insurance coverage for
                  the photobuildings and its contents.

            B.    Conduct all routine accounting procedures. These procedures
                  include any submission of taxes to state and local agencies
                  and the preparation of weekly sales and revenue figures.

            C.    Staff and operate all RX TechnologySM photosystem operations.

            D.    Provide a suitable building, its themeing and signage. Provide
                  signage for photo sales.

            E.    Supply electrical wiring from the sales building to the camera
                  pole with the breaker switch located in the sales area.

            F.    Supply electrical wiring to the sales building and separate
                  circuit breakers as detailed in guidelines provided by RX
                  TechnologySM

            G.    Provide an electrician or other park employee or contractor to
                  lay and pull cables, put up lights, etc. under instruction and
                  supervision of RX Technology.

            H.    Provide and install a direct telephone line to the sales
                  building.

            I.    Purchase and install a suitable pole(s) - for the camera,
                  flash units and trigger sensor.

            J.    Supply trunking/conduit of at least 2 inches in inteRXal
                  diameter and install it between the sales building and the
                  camera site, above or below the ground.

                                  -Page 2 of 6-
<PAGE>

      2. Terms and Conditions

            A.    The length of this Agreement is to be for a priod of 4 years.
                  RX TechnologySM agrees to ensure that the photosystem(s) is
                  updated, to the best of its ability. "The Park" agrees to
                  ensure that the ride(s) is kept updated as appropriate.

            B.    In the event a ride is closed RX TechnologySM and the Park may
                  elect to reposition the system. Modification and changes
                  required will be negotiated at the then current time and
                  materials charges.

            C.    Both parties agree that neither shall be held liable for loss
                  of income due to ride or system malfunction.

            D.    "The Park" will use its own banking method and security when
                  depositing monies taken in payment of the photographs sold. RX
                  TechnologySM share of the revenue will be sent on a weekly
                  basis to RX TechnologySM at P.O. Box 1117, Fort Worth, TX
                  76101.

            E.    The selling price of the photographs shall be determined by
                  mutual agreement between "The Park" and RX TechnologySM It is
                  agreed that the selling price can vary throughout the season.

            F.    Due to any unforeseen circumstances if ridership results in
                  less than an average of 50 prints per day over a 2 week
                  period, RX Technology~M retains the option to withdraw the
                  photosystem to RX.

            G.    Upon termination of this Agreement, RX TechnologySM shall
                  remove its property from park grounds.

            H.    Upon termination of the summer season RX TechnologySM shall
                  remove its property from park grounds and re-install and test
                  at the beginning of the next season. We will perform routine
                  maintenance on the equipment and update as required.

            I.    WHEREAS, KBK Financial, Inc. ("KBK"), a Delaware
                  corporation, located at 301 Commerce Street, 2200 City Center
                  II, Fort Worth, Texas 76102, has loaned funds to RX which is
                  secured by, among other things, the Equipment (as defined in
                  the Agreement) used by RX in the Shop (KBK's loan to RX is
                  hereafter called the "Loan"); and

                  WHEREAS, The Park and RX desire to amend the Agreement to
                  provide KBK with certain rights in the Equipment in the event
                  RX defaults on the Loan;

                  NOW, THEREFORE, The Park and RX agree as follows:

                  Notwithstanding anything to the contrary herein, upon the
                  occurrence of an event of default under the documents
                  (collectively, the "Loan Documents:") evidencing, governing
                  and securing certain loan or loans made by KBK, Financial,
                  Inc. ("KBK") to RX which is secured by, among other things,
                  the Equipment owned and provided by RX (the "RX Equipment"),
                  and KBK promptly notifies The Park of such default, at the
                  expiration or prior termination of the Agreement, KBK shall
                  be entitled to promptly remove the RX Equipment from the Park,
                  except that The Park Trademarks of The Park `Affiliates'

                                  -Page 3 of 6-

<PAGE>

                                    Exhibit D

                                Exclusive Rights

If exclusive rights are agreed upon, describe carefully here. If not, delete the
bracketed text in the Agreement, delete this Exhibit and re-title Exhibits E and
F as D and E, respectively. Re-title references to these Exhibits in text of
Agreement also.

N/A

<PAGE>

                                    Exhibit E

                                    Equipment

                   Description
                   -----------

                   Portable Themed Building
                   RX Technology Video Equipment
                   Multi-shot flash System, Multiple shot flash burst
                   RX Technology Super Sensor to trigger picture taking
                   RX Technology Trigger Control Unit Video Printers
                   RX Technology POS Sales Station RX Technology Imaging
                      Computer System
                   RX Technology Camera Equipment at Pole

<PAGE>

                                    Exhibit F

                                Early Termination
                                -----------------

<PAGE>
                                    Exhibit G

                            SIX FLAGS GREAT ADVENTURE
                                 ROUTE 537, P.O. BOX 120
                      Telephone #(732) 928-2000 Fax #(732) 833-0204

                            CERTIFICATE OF INSURANCE

                          COMPANIES AFFORDING COVERAGE

  COMPANY                                COMPANY
  LETTER A                               LETTER D

  COMPANY                                COMPANY
  LETTER B                               LETTER E

  COMPANY                                COMPANY
  LETTER C                               LETTER F

  COVERAGES

THIS CERTIFICATE IS TO CERTIFY TO SIX FLAGS ______ OR ANY SUBSIDIARIES
HEREAFTER REFERRED TO AS "SIX FLAGS" THAT POLICIES DESCRIBED BELOW HAVE BEEN
ISSUED TO THE INSURED BY THE UNDERSIGNED AND ARE IN FULL FORCE AND EFFECT AT
THIS TIME. IF ANY CHANGES ARE MADE IN THE POLICIES WHICH EFFECT THE INTEREST OF
SIX FLAGS OR IF ANY OF THE POLICIES ARE CANCELED AT THE REQUEST OF EITHER
PARTY, WRITTEN NOTICE WILL BE GIVEN BY THE INSURANCE COMPANY TO SIX FLAGS
AT LEAST THIRTY (30) DAYS PRIOR TO THE EFFECTIVE DATE THEREOF.

<TABLE>
<CAPTION>
--------------------------------------------------------------------------------------------------
  CO.          TYPE OF INSURANCE           POLICY   EFFE. EXP.    LIMITS IN THOUSANDS
  LTR.                                     NUMBER   DATE  DATE
--------------------------------------------------------------------------------------------------
        <S>                                                       <C>                  <C>
        WORKERS COMPENSATION                                      STATUTORY
        EMPLOYERS LIABILITY (NOTE 1)                              EA. ACCIDENT          $____
      o CERTIFICATE HOLDER NAMED ALT                              DISEASE-POLICY LIMIT  $____
        EMPLOYER                                                  DISEASE EA. EMPLOYEE  $____
--------------------------------------------------------------------------------------------------
        GENERAL LIABILITY (NOTE 2)                                GENERAL AGG.          $____
      o COMPREHENSIVE GENERAL LIABILITY                           PRODUCT-COMP/OPS AGG  $____
      o CLAIMS MADE OCCURRENCE                                    PERSONAL & ADV.INJURY $____
      o CERT. HOLDER NAMED ADDNL. INSURED                         EACH OCCURRENCE       $____
      o WAIVER OF SUBROGATION WAIVED
        AGAINST CERT. HOLDER                                      FIRE DAMAGE
      o HOLD HARMLESS AGREEMENT WITH CERT.                        (ANY ONE FIRE)        $____
        HOLDER INSURED                                            MEDICAL EXPENSE
      o PROFESSIONAL LIABILITY                                    (ANY ONE PERSON)      $____
--------------------------------------------------------------------------------------------------
      o AUTO LIABILITY                                            COMBINED SINGLE LIMIT $____
      o ANY AUTO                                                  BODILY INJURY
      o ALL OWNED                                                 (PER PERSON)          $____
      o SCHEDULED AUTOS                                           BODILY INJURY
      o CERT. HOLDER NAMED ADDNL. INSURED                         (PER ACCIDENT)        $____
      o WAIVER OF SUBROGATION AGAINST
        SIX FLAGS
--------------------------------------------------------------------------------------------------
</TABLE>

<PAGE>

            Trademarks shall be removed from the RX Equipment and remain at the
            Park, and KBK shall quit and surrender the photobuildings in the
            Park in good condition, reasonable wear and tear expected. Unless
            The Park and KBK otherwise agree, if [(BK fails to remove the RX
            Equipment from the Park within five (5) days after KBK receives
            written notice of the termination of this Agreement, then [(BK shall
            be deemed to have abandoned such property and title to the same
            shall at that time vest in the Park. Any costs and expenses incurred
            by The Park in removing such abandoned property (including the
            reasonable value of the services rendered by the Park employees in
            connection therewith) shall be paid to The Park by [(BK promptly
            following demand therefore.

            In the event RX defaults on the Loan Documents prior to the
            expiration or other termination of the Agreement, and [(BK promptly
            notifies The Park of this fact, the Park shall thereafter place the
            share of Gross Revenue that is owed and owing to RX pursuant to
            Section 4 of the Agreement in an escrow fund pending either (I)
            final determination by [(BK and RX as to what should be done with
            such funds, or (ii) receipt of an appropriate court order directing
            The Park on how to distribute RX's share of the Gross Revenue.

3. General Statement

      A.    All revenue produced by the use of the photosystem(s) supplied by RX
            TechnologySM are to be divided between RX TechnologyA'" and "The
            Park" as agreed.

      B.    RX TechnologySM agrees to license the use of its technology in "The
            Park" with no additional fees other than those described in this
            Agreement.

      C.    Installation dates of the photosystem equipment on the
            aforementioned rides is to be determined based upon availability of
            the sales building and completion of construction and electrical
            requirements. Target opening date is Spring 2000.

4. Revenue Distribution

            The gross revenue calculation is to be based on the formula used in
            the following example:

                       THESE $ AMOUNTS ARE USED AS AN EXAMPLE ONLY

             Total Sale                                   $8.50
                                   -less 7% sales tax     $ .55
                                                          -----
             Retail Sales Price                           $7.95
             Less folder                                  $ .24
             Less print media                             $ .65
             Less Photobooth sales staff                  $ .50
             Total After Expenses                         $6.56
             50% to The Park                              $3.28
             50% to RX Tecbnology                         $3.28

                                  -Page 4 of 6-
<PAGE>

5. Property Rights

      A.    RX TechnologySM will retain ownership of those parts of the
            photosystem(s) that it supplies at all times throughout the duration
            of this Agreement and afterwards.

      B.    "The Park" will retain ownership of those parts of the
            photosystem(s) that it supplied, as detailed in this Agreement, at
            all times throughout the duration of this Agreement and afterwards.

6. System Operation

      A.    "The Park" understands and agrees to leave the RX TechnologySM
            photosystem equipment on at all times; 24-hours a day, 7 days a week
            -- including days when "The Park" is not open to the public. Staff
            will be instructed to leave the system in a "sleep" mode before
            leaving each day.

      B.    Proper care and handling of the RX TechnologySM photosystem will
            prevent unnecessary malfunctions. It is imperative that our manuals
            and guides be closely adhered to by all Park staff at all times.

7. Acceptance

      A.    This Agreement, when signed by both parties as indicated herein,
            shall constitute the entire Agreement relating to the supply of a
            ride photosystem(s) and shall supersede all prior representations or
            contracts relating thereto and not incorporated in this Agreement.
            No modification or waiver of this Agreement shall be valid unless
            made in writing and signed by an authorized officer or
            representative of each party.

      B.    "The Park" has been made aware of this Agreement and grants the
            authority to engage in aforementioned business activities with RX
            Technology5M. A representative of "The Park" shall acknowledge this
            Agreement by signing where indicated below.

      8. Notices

            All notices required or permitted to be given hereunder shall be in
            writing and personally delivered or sent by courier or registered or
            certified mail, postage prepaid, return receipt requested, addressed
            as listed below.

                                  -Page 5 of 6-

<PAGE>

9. Force Majeure

      Neither party shall be liable to the other for delay or failure to comply
      with the provisions of this Agreement when such is caused by strikes,
      other labor difficulties, wars, fires, floods, explosions, earthquakes,
      goveRXment regulations, shortages in material, or any other reasonable
      cause beyond either party's control.

Signed for and on behalf of:                Signed for and on behalf of:

RX TechnologySM Inc.                       Kennywood Partners, L.P.
P.O. Box 9112                               4800 Kennywood Boulevard
Mandeville, LA. 70470-9112                  West Mifflin, PA 15 122-2399

Slgned     /s/ Donald Rex Gay               Signed       [ILLEGIBLE]
      -----------------------------               -----------------------------
Print Name   Donald Rex Gay                 Print Name   [ILLEGIBLE]
        ---------------------------                   -------------------------
Date    Dec 15, 1999                        Date          12-16-99
    -------------------------------             -------------------------------

                                  -Fage 6 of 6-

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