The wallpapers on the market are of countless types.
Always choose to your taste, but remember that since it is a complicated finish to apply and remove, it will have to remain on the walls for many years, so choose moderately.
The more rigid wallpapers will be the most complex to apply, especially on edges and corners.
The color combinations can be more or less violent try to choose a decor in theme with the furniture of the room.
Some wallpapers have parts to glue above to get special three-dimensional effects.
There are some special wallpaper on the market with parts to be overlapped for special 3D effects.
There are also flocked parts (like velvet) or embossed.