Curb appeal is a magic phrase in the spring, as is thinking up ways to make your home exterior look better to visitors and passersby. But what about the backyard — the place where you spend your time? First off, yay you. You have actual outdoor space. Now go make it pretty to enjoy all summer long, and start with any blank wall. If you have an unsightly wall, cover it up with some horizontal boards, then paint everything a deep bold color.