Simply download wallpaper to your mobile phone and set it as the background in the settings. Go to your Gallery app, choose a picture you have just downloaded, hit the menu button, then choose "Set as" and "wallpaper".
Or you can download the wallpaper to your computer. From there, you can copy the background to your mobile phone. Then open the image on your mobile phone and set it as your wallpaper.
You also can upload your own wallpaper or background to our free gallery and share it with your friends around the world.