| **Exhibit31.1**                                                             |
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| Quarterly Certifications                                                    |
|                                                                        |   | Pursuant to Section 302 of theSarbanes-Oxley Act of 2002 |
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| I, David W. Mann, certify that:                                             |
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| 1.                                                                          | I have reviewed this quarterly report on Form 10-QSB ofFirst Financial Corporation; |
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| 2.                                                                          | Based on my knowledge, this report doesnot contain any untrue statement of a material fact or omit to state a materialfact necessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this report; |
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| 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; |
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| 4.                                                                          | The small business issuer's othercertifying officers and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)and 15d-15(e) for the small business issuer and we have: |
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|                                                                        | a) | designed such disclosurecontrols and procedures, or caused such disclosure controls and procedures tobe designed under our supervision, to ensure that material information relatingto the small business issuer, including its consolidated subsidiaries, is made knownto us by others within those entities, particularly during the period in whichthis report is being prepared; |
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|                                                                        | b) | evaluated the effectivenessof the small business issuer's disclosure controls and procedures and presentedin this report our conclusions about the effectiveness of the disclosurecontrols and procedures,  as of the end of the period covered by this reportbased on such evaluation; and |
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|                                                                        | c) | disclosed in this reportany change in the small business issuer's internal control over financial reportingthat occurred during the small business issuer's most recent fiscal quarter(the small business issuer's fourth fiscal quarter in the case of an annualreport) that has materially affected, or is reasonably likely to materiallyaffect, the small business issuer's internal control over financial reporting;and |
| 5.                                                                          | The small business issuer's othercertifying officers and I have disclosed, based on our most recent evaluationof internal control over financial reporting, to the small business issuer'sauditors and the audit committee of small business issuer's board of directors(or persons performing the equivalent function): |
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|                                                                        | a) | all significantdeficiencies and material weaknesses in the design or operation of internalcontrols over financial reporting which are reasonably likely to adverselyaffect the small business issuer's ability to record, process, summarize andreport financial information; and |
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|                                                                        | b) | any fraud, whether or notmaterial, that involves management or other employees who have a significantrole in the small business issuer's internal control over financial reporting. |
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| Date: August 14, 2007          |
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|  /s/ DavidW. Mann                                                      |
| DavidW. Mann                                                                |
| ChiefExecutive Officer and Chief Financial Officer                          |