Mirror in bathroom so can see the back of head. How To Hide Unsightly Wall Panels - tutorial shows how to attach hinges to a picture and wall so switches, access panels, etc. can be hidden, yet still accessible. This is not recommended for thermostats!
I like how drawing and photography was used at the same time. Although this was tried a lot of times, the fact that both types (photography and pencil drawing) can be used helps widen the possibilities for a design.