Submitted by Nick Vahalik on Sun, 04/28/2013 - 17:02
Doing some research while building some stuff for our store and I stumbled upon a couple of different things you can do to "enhance" QR codes.
You can overlay an image on your QR code directly. To make this work can take a bit of trial and error, but to make this work, build your QR code with the maximum amount of ECC (error correcting code). Then, just slap an image down over the QR code and you are good to go. Like this: