A cute project to do, take a walk and find the wood first and then make it in to a rack!
DIY garden stones! Very creative. (:
To seriously upgrade your sleeping situation, drape lights on top of your canopy.
Treehouse Mural. Wonderful idea, and maybe making the room above seem like an awesome tree house fitted with wind chimes and a hexagonal window looking outside. That would just be the icing on the tree...