(Hummm, neat idea, but uncertain on photos wrapping around the corner. The frames could meet up on the edge, but think the frames still might be best if they met in the corner but that each wall had its own photo frame.
Cheap lampshade + random buttons + glue = quirky and unique hand crafted light adornment wonder. Brighten up your room with this button shade! Take some buttons (square, circle, big, small) and glue them onto the lampshade to create a POP in the room.