The Lattice Window Box w/ Cleat Mounting System. You simply mount the cleat to your wall and hang the box off the cleat. The cleat is recessed inside the back of the box wall for easy mounting flush to your wall.
Wooden Magnets with Woodland Silhouettes. Something like this could be nice geoswag. If you have some limbs and a chop saw making the wood slices wouldnt be hard, and you can get craft magnets at the Dollar Store.