It is too little of data you know. Do you know how should those pictures look like, do you have some pic dumps from game, or something like that ?
Ill try anyhow. But looks like to me that there are about 4 file types in those you sent me. Probably *tex.prs are textures. Oookay. But ill be off for a day now, so wait for a while, ok ?
Darkness: nope. I was talking with my friend that is working as 3d graphician, and he told me that gmax sux
But if you'll need it, ill work on it.