Actually I use this method in my personal comics for harder poses and such. Its a very good way to learn anatomy and how a figure looks at various angles. Its also a good way to eliminate the rough sketch portion of drawing. I don't think its cheating since I've read a lot of comic book artists wioll trace centerfolds or other pics as well. Supposedly the whole Flash Gordon comic series were tracings of an earlier Tarzan series. Your stuff is very nice. Keep up the good work.