This is an old thread, all links on this first post are now dead. There are plenty of other posts in this thread that contain helpful links though so please check those out. Also, all duplicate links will now be deleted, so please check if what you're posting has already been posted. Thank you. - Ambiguity
Here is the link for entire folder to download 110MB : http://www.mediafire.com/?p8gnahy68jeon09
Pictures that are too big for forum are in link format.
Everyone is welcome to join
Body anatomy:
Head anatomy
Hand anatomy
Coloring:
Composition
Gesture
Clothing
Faical expressions:
Prespectives
Shading
Helpful links: