I don't know if you have ever hear of the band Relient K, but they are one of the best bands ever!! They play Christian rock and have multiple CD's. My favorite albums right now are Five Score & Seven Years Ago and MMHMM. Here are some really cool designs that came from some Relient K T-Shirts.
An Awesome Apple. There are also other colors but the brown and white one is my fav.
The two designs above are my all time favorites and I wish I had a shirt with them on it. (I also wish I could design something like that, but maybe I am getting a little ahead of my self.)