I couldn't really find any great iphone 5 cases so I decided to customize my own! The examples I created here are BMO from Adventure Time, a Game Boy, and art from Empire Strikes Back.
Download the iPhone 5 case templates I created here - http://www.thestylishgeek.com/2013/01/23/geeky-iphone-5-cases
Clear case used (by Greene+Gray) - http://bit.ly/10TkVXW
Blog - http://www.thestylishgeek.com
Twitter - http://twitter.com/embiguous