Document:

Exhibit 10.15

                                 PROMISSORY NOTE

$350,000                                                        Bala Cynwyd, PA
September 25, 2003

         FOR VALUE RECEIVED, LSP Exploration, LLC, a Delaware limited liability
corporation (the "Borrower"), with a principal place of business at One Belmont
Avenue, Suite 417, Bala Cynwyd, PA 19004 hereby promises to pay to the order of
International Travel CD's, Inc., a Colorado corporation (the "Lender"), at 111
Presidential Boulevard, Suite 158A, Bala Cynwyd, Pennsylvania, 19004, the
principal sum of Three Hundred and Fifty Thousand Dollars (US $350,000) payable
in cash on September 24, 2004 (the "Maturity Date").

         The entire principal amount together with interest at the rate of three
percent (3%) percent per annum, shall be paid on the Maturity Date.

         All payments (including prepayments) to be made by the Borrower
hereunder, whether on account of principal, interest or otherwise, shall be made
without set off or counterclaim and shall be made prior on the Maturity Date
thereof to the Lender at the address set forth above, or such other place as
Lender may from time to time designate in writing. If any payment or action to
be made or taken hereunder shall be stated to be or become due on a day which is
not a Business Day, such payment or action shall be made or taken on the next
following Business Day and such extension of time shall be included in computing
interest or fees, if any, in connection with such payment or action.

         Any failure to repay the principal or interest due hereunder upon the
Maturity Date or any failure to adhere to the terms of this Note shall be
considered an Event of Default. Upon the occurrence of an Event of Default the
entire amount of the indebtedness evidenced by this Note hereby shall be
immediately due and payable. Upon the acceleration of the obligations evidenced
by this Note and failure by the Borrower to pay amounts then due hereunder,
Lender may proceed to protect, exercise and enforce all of its rights and
remedies under this Note and applicable law. The remedies provided in this Note
are cumulative and concurrent, may be pursued in any order, separately,
successively or together, may be exercised as often as occasion therefor may
arise, and shall be in addition to, and not in substitution for, the rights and
remedies which would otherwise be vested in Lender for the recovery of damages,
or otherwise, in the event of a breach of any of the undertakings of the
Borrower hereunder. This Agreement may not be modified, altered or amended,
except by an agreement in writing signed by the Borrower and the Lender. The
Lender may not sell, assign or transfer this Note or any portion hereof.

         This Note shall bind the Borrower and its successors and assigns, and
the benefits hereof shall inure to the benefit of the Lender and its successors
and assigns. All references herein to the "Borrower" and the "Lender" shall be
deemed to apply to the Borrower and the Lender, respectively, and their
respective successors and assigns.

         Borrower may prepay the loan evidenced by this Note at anytime without
the consent of the Lender.

<PAGE>

         This Note and any other documents delivered in connection herewith and
the rights and obligations of the parties hereto and thereto shall for all
purposes be governed by and construed and enforced in accordance with the
internal laws of the Commonwealth of Pennsylvania without giving effect to its
conflicts of law principles.

         IN WITNESS WHEREOF, the undersigned, intending to be legally bound
hereby, has executed this Note as of the date first written above with the
intention that this Note shall constitute a sealed instrument.

                                LSP Exploration, LLC

                                By: 1025 Investments, Inc., Managing Member

                                By:  /s/ Howard M. Appel
                                     ---------------------------------------
                                     Name: Howard M. Appel, President<PAGE>

                                                                   Exhibit 10.16

                                    AMENDMENT

         This Amendment No. 1 to Loan AgreementS dated this 9th day of
September, 2003 (the "Amendment") by and between International Travel CD's,
Inc., a Colorado corporation (the "Borrower"), and Trident Growth Fund, L.P.
f/k/a Gemini Growth Fund, L.P. (the "Lender").

         WHEREAS, Borrower and Lender are parties to that certain Loan Agreement
dated September 18, 2002 (the "September Loan Agreement") and that certain Loan
Agreement dated January 16, 2003 (the "January Loan Agreement" and together with
the September Loan Agreement, the "Loan Agreements"); and

         WHEREAS, the parties have agreed to amend the Loan Agreements and
Lender has agreed to provide the waiver set forth herein.

         NOW, THEREFORE, for and in consideration of the premises and the mutual
covenants and agreements set forth in this Amendment and other good and valuable
consideration, their receipt and sufficiency of which are hereby acknowledged,
and intending to be legally bound hereby, the parties agree as follows:

         1. Amendment.

         Section 9.1 of the September Loan Agreement and Section 9.1 of the
January Loan Agreement are hereby deleted in their entirety.

         2. Waiver.

         Lender hereby waives any and all right to receive any shares of common
stock of Borrower pursuant to Section 9.1 of the September Loan Agreement or
Section 9.1 of the January Loan Agreement and hereby forever releases and
discharges the Borrower from any and all obligations under Section 9.1 of the
September Loan Agreement or under Section 9.1 of the January Loan Agreement
including, but not limited to, any obligation to issue any shares of common
stock.

         3. Miscellaneous.

         (a) Capitalized terms not defined herein shall have the meanings
assigned to them in the Loan Agreements.

         (b) Each of the Borrower and Lender represents and warrants that the
its signatory hereto has the full power and authority to execute this amendment
in the name of and on behalf of the Borrower or Lender, as applicable

<PAGE>

         (c) All terms of the Loan Agreements shall remain unaltered and in full
force and effect except as modified by this Amendment.

         (d) This Amendment may be delivered via facsimile and executed in
counterpart, each of which shall be deemed to be an original, and both of which
shall constitute one and the same instrument.

                                International Travel CD's, Inc.

                                By: /s/ Mark A. Bush
                                    --------------------------------------
                                    Name:  Mark A. Bush
                                    Title:  President

                                Trident Growth Fund, L.P.

                                By: Trident Management, LLC, its general partner

                                By: /s/ Scotty Cook
                                    ---------------------------------------
                                    Name: Scotty Cook
                                    Title: Managing Member<PAGE>

                                   EXHIBIT 4.1

                                                                   David M. Otto
                                                               dotto@ottolaw.com

                                November 1, 2003

VIA EMAIL: nannaco@sbcglobal.net
--------------------------------

Andrew DeVries, III

President & C.E.O.
NANNACO, Inc.
9739 Cobb Street
Suite 1
San Antonio, TX 78217

Re:      Engagement of The Otto Law Group, PLLC

Dear Andrew:

This Engagement Agreement confirms the principal terms under which NANNACO, Inc.
(the "Company"), agrees to engage The Otto Law Group, PLLC ("Otto Law"). Under
this Engagement Agreement, Otto Law will assist the Company with various matters
including, without limitation, the following:

         1.       Developing and executing the Company's strategic financing and
                  growth plans;

         2.       Preparing an offering memorandum and/or prospectus and
                  developing other materials relevant to the Company's financing
                  and growth strategy;

         3.       Providing legal advice in connection with and assisting with
                  certain securities, corporate finance, blue sky and investor
                  issues; and

         4.       Providing legal advice with respect to the Company's
                  capitalization, corporate organization, potential corporate
                  transactions, corporate governance and other general business
                  matters.

         In connection with the provision of the foregoing services, Otto Law
and the Company agree to the following compensation arrangement:

         1.       The Company shall engage Otto Law for legal services required
                  in connection with certain corporate governance, corporate
                  finance, securities, contractual and other matters related to
                  the Company's operations and financing;

                                        7

<PAGE>

         2.       Otto Law  shall  bill the  Company  for fees,  primarily  on a
                  hourly  basis,  according  to Otto Law's  usual and  customary
                  charges.  Also,  Otto Law may adjust its fees for factors such
                  as the amount of work involved in the representation,  unusual
                  time constraints,  use of prior work product, overall value of
                  the   services,   and  regular   periodic   firm  hourly  rate
                  adjustments.  Otto Law's  hourly  rates are as follows:  David
                  Otto's  hourly rate will be $325.00;  the rate for  associates
                  will be between $195.00 and $210.00 per hour; and the rate for
                  non-attorney  members of our staff will be between  $60.00 and
                  $135.00 per hour; and

         3.       Otto Law shall receive a retainer in the amount of Ten Million
                  (10,000,000) shares of common stock of the Company (the
                  "Shares"), the proceeds of which will be applied against
                  billable hours. Additionally, the Shares shall be registered
                  by the Company pursuant to the Securities Act of 1933 on a
                  Form S-8 registration statement.

We look forward to working together and helping the Company achieve its
financial and business objectives. If the proposed terms are acceptable to the
Company, please sign below and return the signed copy of this Engagement
Agreement to me.

If you have any further questions or concerns, please do not hesitate to contact
me.

                                                     Sincerely,

                                                     The Otto Law Group, PLLC

                                  David M. Otto

Agreed and accepted this ____ day of November, 2003

NANNACO, INC.

--------------------------------
Name: Andrew DeVries, III
Title: President and C.E.O.

                                        8

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