A new solution to blank and boring walls: concrete wallpapers. Check out this ingenious product, via @Nordic_Design. The wallpaper can be applied with regular wall glue. Various looks -and online store- available at ConcreteWall.
More photos after the break:
Rosenberg, Andrew. "Concrete Wallpapers" 16 Aug 2010. ArchDaily. Accessed 18 Dec 2014. <http://www.archdaily.com/?p=73295>