Nice work! Give me a shout if you need some nice 'product shots' of the paper wallet - I usually have my camera to hand and a high quality artwork printer, so can get you some really decent looking images to replace the dogecoin ones if you'd like :)
Would also suggest switching the font out from Comic Sans to the more Gridcoin-themed Source Sans Pro. Dogecoin can rock Comic Sans in a kind of semi-ironic way, but I don't think it works for anyone else :)
RE: I'm working on a Gridcoin paper wallet