One of the most sensual flowers with a delicious scent, the peony has long been used in feng shui as a cure for love & romance. This especially applies to a couple of pink peonies. The symbol of peony is often considered a metaphor for female beauty.
(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.