if they make a fuse about it just tell them its fan art that you made yourself and would like to display....
then put the images on a CD and measure a DVD cover insert that you already have and have it printed off in those dimensions...
make sure you tell them you want it in colour and in the best possible quality...
be sure to STRESS the best quality or you will get something that is really grainy....
it will cost you for better quality but is well worth it in the end...
