There are two different wallpapers you can unlock in Pokemon Black for the DS. To unlock them, you just need to beat the Elite Four twice. Each time you beat them the first two times, you’ll unlock a different wallpaper.
About DoubleDizle
Gamer, Software Engineer, Web Developer, Professional Geek
You also might be interested in
Meloetta is one of the new event only pokemon in[...]
Tornadus is a Pokemon Black only pokemon that can only[...]
Axew is a new dragon type pokemon in Pokemon Black[...]