A Clever Way to Hide Clutter: Behind Fake Books! Martha Stewart Living - Are you looking for a way to hide wires, a router, or maybe your remotes? Hide your clutter in plain sight behind these DIY fake books. Even better, they are easy (and inexpensive!
Find it, Make it, Love it: DIY Board and Batten-Master Bedroom. This is a great tutorial and would work for adding a picture ledge to an old door or window too. May work in the guest space with a ledge less panel covering the electrical panel.
Creative Ideas: How To Hide Cords and Wires. Simple and heavy duty ideas for hiding your TV wires, lamp cords, and wires on the wall or on the floor. There are also some ideas on how to embrace and turn wires into decor pieces (ie. use copper pipes)