F.U.N.

Teacups Fabric by Hannah Raeside, from Spoonflower

I realize that "fun" is subjective. Just to be safe, we'll say these links are not lame.

MOMA Color Chart Exhibit (2008)
The site may be old news (the exhibit ended nearly a year ago), but it's nice and, well, colorful.

Spoonflower
Design your own fabric—I have to try this out!

The Onion
If you haven't been to their site yet, go! You need a good laugh.