I love this idea from Crate and Barrel to hang pictures with ribbons from a natural branch of birch. And the branch itself is hanging from curtain tiebacks. It's a stunning but casual idea and easy to do
ML** Sail tarps for roof? Mom and Her Drill: This is the quintessential treehouse -- sturdy, in sync with the environment, and no unnecessary bells and whistles. Best part: it was built by a very inspiring mama.