I've never even seen a trading shirt, much less a funny one. Also never seen any bumper stickers, or things of that nature.
here you go http://www.cafepress.com/marketsurfer http://www.cafepress.com/ganngear.3531900 surfer shirts ROCK! surf
http://www.zazzle.com/product/23569...aturity=1&zidContributorId=0&zcdProductType=0 I love this shirt. I am getting it on a onesie(sp?) for my son for his first birthday. I have a feeling most on this site would disagree with the message.
goto the free trading seminars at the CBOT...they give away boxes of CBOT shirts that have the logo and say "Just Trade....cbot.com"