There was a discussion of business cards online at the QuiltArt email list. I recently ordered two new sets of business cards from Vistaprint.com; I chose to have images on both sides of the card for the first time. I ordered a "serious" set and a "less serious" set. The "serious" set uses my quilt "Winter Chair", now in a private collection and the "less serious" set uses the self-portrait I did in a Sue Benner class. They're pictured below with both sides of the cards. I also use the "less serious" self-portrait as a kind of logo and it is on my hangtags.
The "serious" set:
The "serious" set: