If you like graphic prints and tees with a sense of humour no doubt you've stumbled upon Threadless before. As well as being a tee shop, it's also ongoing design competition. The site allows readers to submit their own designs, from which a small number per week are chosen to be printed onto tees to sell to the public (and prizes awarded to the designers). The good news is they're currently having a $10 sale until June 15th, so now is the time to stock up on some bargains from some very talented artists!

Our fave - 'You've got some 'splaining to do!' - $10 until 15th June