For a summary of the new changes for the Homebuyer's tax credit, click on this link:
http://www.realtor.org/fedistrk.nsf/files/government_affairs_tax_credit_ext_chart_110409.pdf/$FILE/government_affairs_tax_credit_ext_chart_110409.pdf
The Texas Department of Housing and Community Affairs has programs for first time home-buyers in Texas. Just click on the link in the preceding sentence.
Texas Department of Savings and Mortgage Lending