Eeyore, usually Gildan or Fruit of The Loom, unless people specify a make.
I don't like sites like JR, we do festivals and things too and print while you wait and some of the things people come up with are really really funny. I find the offensive shock value thing really pathetic.
We did once do a fair trade T-Shirt for a chap who was wearing green peace badges etc and dressed in nice hempy clothes. When I asked what he wanted he said did we have a Panda image. I downloaded a couple and he picked a really cute photo of one, I then asked what he wanted written on it. He asked for Pandas are cunts
, and he wore it immediately. Never did find out what he had against Pandas 