Have you seen the mosaic that is printed on a big tarp? It is getting popular here in place of wallpaper. It is actually like a wallpaper with a picture frame. The mosaic is composed of tiles which are actual pictures that you supply and a big tarp that covers the entire wall can contain more than 500 pictures that is a composite of the bigger picture. It is like a work of art and surely would be a hit with The House guests. However, my apprehension is the adhesive, it should be strong so the tarp will stick to the wall for a long time. In my computation, the tarp is more expensive than painting or wallpaper but it is a nice novelty and worth the cost.