Sadman posted this on the home page, but forgot to put it in the forum. It is just too cute!

How it works:

Step 1
Design your sticker

Step 2
Share on facebook
Sign into facebook to post your design to your wall for your friends!

Step 3
Get your free sticker
A promo code is applied in the shopping cart so you get your sticker for FREE!

*This promotion can only be redeemed once per facebook account. The free shipping offer WILL NOT apply to shipping addresses outside of the contiguous United States, sorry!

http://www.buildasign.com/bumperstickergiveaway