Ah, the gallery wall. When done right, it can transform an uninspired room into an eye-catching pad with personality…key words here being when done right. To make sure we had all the best pointers, we met up with Bill Powers, owner of NYC-based Half Gallery and co-owner of the art collection company Exhibition A. Watch to score his easy decor tips, and while you're at it, scope out some seriously rad artwork, too. Your walls are waiting!