Got the idea from the Pottery Barn catalog and asked Bill to make some for me. Their shelves are a bit deeper front to back and have a grove in the shelf. This arrangement has the molding higher than the shelf so it stops the frame from sliding forward. This is not the final arrangement of pictures, just a tryout. There will be another shelf above this one. Very strange that the EXIF shows -2/3 exposure bias. There was no exposure bias setting...it was on zero! Furthermore, it shows shutter priority and I used aperture priority...really wacky!