I stumbled upon this conversation and just wanted to add my thoughts
I run linuxpusher.dk (which is actually now is also .com etc.
and if you guys come up with a design of a portable sticker you like - I'll gladly get it produced. I get "my own" stickers at a fair price - if I "only" buy 300pcs.
if you would link to the stickers as well (meaning that I'd actually get a chance to unhand my 300 stickers - that would be dandy