So Smart = Crown Molding Shoe Shelves - perfect space saver storage. base pine base molding and crown molding + white spray paint. Wood glue crown on to base molding, nail to hold in place while drying, spray paint, install w/ 2 screws onto wall studs.
(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.