I made a background for my 75 gallon using a website called rasterbator.net.
I love the painting "The Great Wave Off Kanagawa" (Hokusai). I originally bought a poster hoping that I could cut it to the right size but it was too long here and too short there and it just didn't work out. I was hoping to take a high res picture of the poster and blow it up but printing something like that is expensive. So, I found a jpg of the picture online and used the rasterbator site to blow it up and stretc