A template can be a wonderful thing, especially when it comes to creating a uniform wall design. The effect is much like that of wallpaper but without the design restrictions and installation hassles. Simply make a template, trace it on the walls with chalk in any pattern you like and follow up with paint. Before you know it, you'll be looking at a whole new room—courtesy of you.
For full step-by-step instructions, see How to Paint a Curvy Moroccan-Star Design