I found these badass MH3 videos on Youtube and a youtuber texture modded the monsters. I wished Capcom did do something like this. BTW: There are a lot more texture mod videos the youtuber made,but, these are my favorites.
Venom Gigginox:
Joker Gobul:
http://www.youtube.com/watch?v=9gPWg2OEolA&feature=related
Black Barioth:
http://www.youtube.com/watch?v=-S-xTA-e5gk&feature=related
Crimson Lagicrus:
http://www.youtube.com/watch?v=0FTNuwmb5RQ&feature=related