These are AWSOME! I was making somthim similar, but it wasn't as good as yours. Mine is just the blown up sprite and AR Marker, lol.
Your work is amazing anyways, keep it up!
It needs to be able to register white around the black code. But yeah, for it to work properly the code but should really be black I'm afraid. It's a shame because they look good but they don't work that well.
These look amazing, as usual. I find the trouble is generally when I try to print them out. If I use them on just about any screen, they work fine. One card I remember gave me a lot of trouble was Galvantula. It seems to mainly be the ones where it can't tell the white part of the QR code from the rest.
ye-hem....
The Whimiscott card is rotated 90° left.... like this:
(photos)
Sorry for the low quality and the size...
OMG...Darumaka is with one k, and Tranquill with two l.