http://ps2-scene.org/
there is a forum on this website that may help you with PS2 Case and Controller modding (from LED's to Painting)
I think this site is up to par with the rules on this forum but I'm not sure..I've read over the rules and I don't think this site fits under warez but my views might be different than someone elses! So if this is not legal would a mod edit my post hehe..