Pimp Your Garagedoor
Here are some suggestions. These and all the others are found by Sharlene in the web and you can buy the deco-wallpaper at Style Your Garage . It is a german website and has much more pictures as you see here
Here are more garagedoor-size wallpapers:
Normal garagedoors are gray only. But now you can get a little attention, if your neighbors are knowing what is behind! Or at least what’s in your mind. You can also order special images of your own.