lovesthreadless
Threadless make cool tshirts based on user submitted designs - they retail for $70AUD in Australian stores, but threadless.com has continual sales from $5USD on their website.
*Get and extra $3 off your order when you use the code lovesthreadless (thanks Dice!)
To find out more about Threadless
http://www.threadless.com/submit
$5 USD or $5 AUD?