I will admit that the "taco stand" joke is kinda lame. If anyone out there has a joke that I like better, I'll put it in there and give you credit. In the panel itself, not just in the side note. Just don't make me have to redraw anything.
In fact, that offer stands anywhere in the whole comic. Nothing's carved in stone here, and I have no problem with tweaking dialog. I change and rearrange wording all the time, right up to the point when I put a panel up (and often a couple of times afterwards). That's why I don't hand-write dialog, like a lot of my favorite webcomics do (well, there's that, and the fact that my handwriting's atrocious).