I know alot of people cringe at the idea of re-using vinyl records (unless they're too scratched for playing music any more) in "creative repurposing" projects, which is what makes Sleeveface such an awesome idea. Participants take photos of themselves with a record sleeve obscuring or augmenting any part of their body or bodies, causing an illusion, and no records get harmed during the creative process.
All of a sudden, those piles of records you pass in the thrift store conjure up so many fun potential photos: