If You Love Graphic Tees and Great Design, You'll Love Threadless.com

A great business model...create a community of t-shirt lovers, graphic designers, allow them to vote, mix in some cash rewards and you've got yourself an automated machine.
Threadless.com is a site that allows users to upload their t-shirt designs for other users to vote on. The designs with the most votes are the ones that get printed and sold. You can find a design to fit any personality.