Visit
Cool Retro T-Shirts. Vintage, Distressed and Worn look Tees.
It's a PF site, and as you can see, it's pretty heavily customized.
On the PF forums, there's a sub-forum dedicated to PF shop customization and it's really not that tough.
If you need help, look / search on their forums for a guy called "Gavin Smith" (his user ID is gbsmith...., can't remember the full name).
His rates are super-affordable and worthy too, and he's the main guy running the whole "customize your PF site" thing.
See you,
Xeon