Dwell Studio Paperdolls Wallpaper ($5.95 per Square Foot)
The Paperdolls wallpaper from Dwell Studio is totally customizable. You pick the color and scale of the pattern (you can order a sample before you commit to a whole room). After you order, Dwell will send you 24-inch prepasted paper panels that are printed to the height of your wall along with thorough installation instructions and a panel diagram are for easy installation. The new-technology wallpaper material is easy to remove, safe for your walls, and (obviously) totally adorable.