There are multiple options: (1) Give away the stuff to random people at some hacker congress as advertisement. (2) Evil plan: Sell the stuff >:] Use earned money as funds for FPI (3) Spent all of it on stickers and let some of the known-to-be-reliable developers do some guerilla marketing with them at places which are highly frequented by possible users. Nerd-pubs, etc.
I would vote for (3). I would also offer to do this myself if I get mailed stickers :) Actually I would love to do this, before you even mailed this I already was sort of angry at myself that I didn't do any effort on this yet I think the amount of stickers we can get for $1000 will be a few hundred thousand so we can do LOTS of marketing with that.
