Strike The Box (Popularity: )
http://www.strikethebox.com/ A collection of fire fighter design ideas. Also contains a World Trade Center tribute page and submissions instructions.
Tribal-Art (Popularity: )
http://www.tribal-art.ch Tribal and ornamental drawings by David Spieth. Artists' information and free images to use as tattoo designs.
Tattoodles (Popularity: )
http://www.tattoodles.com/ Large thumbnail gallery organised by style of tattoo, must pay membership fees to see larger image.