Here are some notable threads re: Arts & Crafts:

OotS Style Art/Fanart Showcase III

Iron Avatarist Hall of Fame -Warning Image Intensive!

Arts and Crafts Showcase

The Current Iron Avatarist Contest

Creative Writing Showcase

Avatar Adoption Center

Guide to Making Avatars with Adobe Illustrator

Folding@HomeArtists Needed

If you have suggestions for additions to this list, please PM me.