We are creating a closet reading nook in our playroom, and these shallow shelves would be a good option
Decorating with pictures---easy diy picture ledges! - A girl and a glue gun by MyLittleCornerOfTheWorld
Photo Ledge DIY - Magnolia Market for entry
Gallery wall & interior design inspo from Brit & Co. Open shelving in your living room will make swapping out seasonal pieces on your gallery wall a total cinch. Loving the look, Brit Morin!
Ah, the joy of picture ledges. Fix them up, and you've got a platform for an ever-changing display of photos, favourite pictures, prints and knickknacks to suit the season or just your mood.
White Shelves and Mismatched Frames Living Space
How To Build A Picture Ledge (Step By Step Instructions)