I had in mind that classic Spacemen 3 one, which says "For all the fucked up Children of the World" on the back, but figure it's pretty rare these days. Might get this Royal Trux one instead http://www.ebay.co.uk/itm/ROYAL-TRUX-T-SHIRT-/190811127431?pt=UK_Men_s_T_Shirts&var=&hash=item2c6d3abe87