I would suggest doing some research on a projector website like ProjectorScreen.com. There are just so many different types of screens to begin with including:
Ceiling recessed screens
Fixed frame screens
Folding-frame screens
High definition screens
Outdoor screen
Pull up screens
Rear...
I think projector paint is an innovative and interesting way to use your projector opposed to a regular screen. ProjectorScreen.com has helpful tips, instructions, and specifications (including how much you need to cover a particular area) for a do-it-yourself project. They carry all of the...