This method is rather fidgety for advanced use. It will actually use all the pixels in the image so you can't later edit it to put a logo there, and changing colors can break things too. That's probably why StickyTape's gives issues.

This was a fun diddle, though:
dl.dropbox.com/u/448525/keep/snaQR.png

How do I embed an image?

... I tried again closer. It works

Hmm, I've scanned my code on like 10 different devices with no problems, but thanks for letting me know that it doesn't scan for everything.

oooh! I've wanted to make my own for a bit.

If I will ever use QR i'll now know how to make a great one :)

That one doesn't scan though, right? my ipod says no.

made this one ^___^

 Ha, weird coincidence, I've been playing with custom QR codes in my freetime this last month... Was doing it manually with a custom template, but having a website help doing the generating will be handy. Here was one for my website that's still in the building process: