If you're cool with tobacco offers then you'll love this free custom designed t-shirt from Camel. I had to make an account, which makes me think this is their first foray into the freebie world. They probably had to take a few breaks while running to catch up.
After logging in, look around for the Crush Experience then select the small t-shirt box. You'll then go through a few more quick prompts before finally heading to the t-shirt printing company's site. This is where you get to actually design your shirt. Once you're satisfied with your design and color, hit submit and you're set!
Thanks to everybody who sent this in!