Tackyshack's "The Portal is a Lie?" is a beautiful trick "painting with light" photo -- a camera is set with its shutter open in a dark place, and small lights are used selectively to illuminate parts of the image, and to draw shapes in space. The photo simulates a person going through a portal from the game of the same name, and it's a rather ingenious use of the technique.

154/366 - The Portal is a Lie? (via Neatorama)