Look here: http://www.lucasforums.com/showthrea...hreadid=122003
and here: http://www.lucasforums.com/showthrea...hreadid=121500
(btw I found the links by looking at T7 sticky: Do you want to mod SW-KotOR?")
If you don't want any trouble:
You can also use Andargor's Holowan cloakworks (in the tools and mods sticky) or KSE: http://www.pcgamemods.com/6692
(you can also change sounds and much more with kse to fit your new appearance).