tp1 that were flashed to cricket were having this issue awhile back. the fix was to go into the registry and change the user agent to a phone with a different screen res... Cricket service was cutting the size of pics worked great while I had to do it like that. I am going to be getting tmobile tp2 hopefully today and if I do I can try messing with it to see if that works
http://www.howardforums.com/showthre...h+pro+mms+size
The info in this thread is for cricket but who knows...it might be worth a try.