Glue random small items together, spray paint all one color and attach to mirror. Perfect dollar store project, and would look cool in a bright colour for kids using dinosaurs or other small toys. How about doing the same on picture frames for kids rooms?
Built in idea for the dining room door! Oh how I love built ins. Ikea Shelves Into Built-in Bookcases :: I really love this. You could turn any room into a library with this idea. And you don't need ikea for it, either.