An idea for some meaningful fabrics and old wallpaper, grandpa's sweater, grandmas dress. All in tiny frames perhaps with framed photos of family mixed in - need to do this! 39 Easy DIY Ways To Create Art For Your Walls
DIY: Dress up a cheap frame by decorating is with glue, let it dry, and then paint over it with one solid color and it looks like a specialty carved frame! I already have a frame I was going to paint:)
(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.