Threadless is having a sale till the 6th of June. They got some if not the coolest tees ever. You can also submit your own design. They do ship wordwide. International shipping is $8 and $3 for the next item. It usually arrives in a week or less.
My personal faves..
1. Flowers in the attic, by jbyron.
2 The Internet, by Oliver J Moss
3 My Dearest Friend, by booreiland.nl
4 Snack, by Clark Wimberly
5 Nothing, by Carl Nyman/Sixten
6 Maxim Vixen, by Frank Barbara
7 JC was a Streaker, by eskimokiss
8 E-Love, by Hydro74
9 Teddybear loves Teddyboy, by Mr Gaukcowski
10 Dad, by Rodrigo, by David