Update (03-01-2017): Since the original publication of this comic way, way back in 2008, I've been getting requests for republication or third party use almost on a weekly basis. Turns out this thing is kinda popular. Anyhow, it's taken me nine (9) years (sometimes I wonder how I can get dressed in the morning without strangling myself) to figure out that I can just add a new paragraph here to explain once and for all: you are free to use this comic whenever, wherever, and however you want. Attribution would be nice (like a link or something), but if attribution is, for some reason, annoying or unwieldy (I don't know, maybe you're using those flag sign things they use on ships) - whatever, leave it out. I'll live.
Okay, that was fun!