**Exhibit31.1**

Quarterly CertificationsPursuant to Section 302 of theSarbanes-Oxley Act of 2002 

I, David W. Mann, certify that:

| 1.     | I have reviewed thisquarterly report on Form 10-QSB of First Financial Corporation;                                                                                                                                                                                                                                      |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 2.     | Based on my knowledge, this report does notcontain any untrue statement of a material fact or omit to state a material factnecessary to make the statements made, in light of the circumstances under whichsuch statements were made, not misleading with respect to the period covered bythis report;                   |
| 3.     | Based on my knowledge, the financial statements,and other financial information included in this report, fairly present in allmaterial respects the financial condition, results of operations and cash flowsof the small business issuer as of, and for, the periods presented in thisreport;                           |
| 4.     | The small business issuer's other certifyingofficers and I are responsible for establishing and maintaining disclosurecontrols and procedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e) for the small business issuer and we have:                                                                        |
|   | a)                                                                                                                                                                                                                                                                                                                       |   | designed such disclosure controls and proceduresor caused such disclosure controls and procedures to be designed under oursupervision to ensure that material information relating to the small businessissuer, including its consolidated subsidiaries, is made known to us by otherswithin those entities, particularly during the period in which this report isbeing prepared; |
|   | b)                                                                                                                                                                                                                                                                                                                       |   | evaluated the effectiveness of the small businessissuer's disclosure controls and procedures and presented in this report ourconclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and |
|   | c)                                                                                                                                                                                                                                                                                                                       |   | disclosed in this report any change in the smallbusiness issuer's internal control over financial reporting that occurred duringthe small business issuer's most recent fiscal quarter (the small businessissuer's fourth fiscal quarter in the case of an annual report) that hasmaterially affected, or is reasonably likely to materially affect, the smallbusiness issuer's internal control over financial reporting; and |
| 5.     | The small business issuer's other certifyingofficers and I have disclosed, based on our most recent evaluation of internalcontrol over financial reporting, to the small business issuer's auditors andthe audit committee of small business issuer's board of directors (or personsperforming the equivalent function): |
|   | a)                                                                                                                                                                                                                                                                                                                       |   | all significant deficiencies and materialweaknesses in the design or operation of internal controls over financialreporting which are reasonably likely to adversely affect the small businessissuer's ability to record, process, summarize and report financial information;and |
|   | b)                                                                                                                                                                                                                                                                                                                       |   | any fraud, whether or not material, that involvesmanagement or other employees who have a significant role in the small businessissuer's internal control over financial reporting. |

Date:May 15, 2006  

/s/       DavidW. Mann             DavidW. MannChiefExecutive Officer and Chief Financial Officer