For a cheaper and more fun way to work with wallpaper, cut out individual shapes instead of covering the entire wall with sheets. The application is easy, and the outcome is whimsical and distinctive.
If you're nervous about committing to a room full of pattern, you can start out with some simple wallpaper silhouettes such as these from an Etsy shop.More:Botanicals Gone Wild: Wallpapers That Wow9 Clever Ways to Ease Into WallpaperWallpaper: The Bold and the Beautiful