Etsy seller FayProductions makes all kinds of prints that imitate the look of stained glass. They are pretty striking and look just like the real thing. Just put them on your windows and you have some instant stained glass fit for a geek church or comic book temple.
Below are some of our favorites. Click the link to see everything they have. They are reasonable priced between $8 and $25. The more complicated and larger pieces are the more expensive. This is the kind of geek art that can really transform your house.