I do believe he did say there might be an extra cost for using your own prints, and I would imagine they would last for a long time, now if you had them directly in the sun they could possibly fade, but I'm sure you already thought of that...
All in all, i thought that the prices weren't that bad, and they have some nice artwork. It would be nice if they offered more musical instruments then just the Violins...
You could also call them...
Aurelex Acoustics 1-317-842-2600