I'm not sure what format the files are but they look like they might be fairly easy to convert. Here is a sample package containing some random .tex files:
http://sharebee.com/4dde56e8
My hope is that someone will make a program or script to convert the textures into a useable format like .tga.
![:]](./images/smilies/%5Bcolon%5D%5D.gif "Satisfied"){kind=small}