I setup up a how-to to add some new Doge options
here , Git here. This my first raspi attempt. Results seem so far so good. You can swap out the by simply changing the background image in the home/pi/Printer/Images folder.
http://i.imgur.com/4RUzs8U.jpgCool! I did the same thing with mine, only I removed the serial number, URL, and extra private key from the bottom.
