If you have a knackered old SLR lying around, are game for a project and fancy adding a little quirk to your front door, why not think about creating a photography themed peephole?

Demonstrated here by Jared Polin of Fro Knows Photo, the install seems pretty easy: you just need an old SLR and lens, some 2 1/2-inch PVC, and, uh, the permission to drill through the door. At any rate, the video shows you what you need to know: get goin'! [Fro Knows Photo via Peta Pixel]