Using Zedge.net when I was using symbian phones and the only place for good themes was Zedge. and now for android and all stuff like Themes, Wallpapers, Ringtones for free. it is super easy to use any one can upload and download wallpapers or ringtones. Zedge application took this to a whole new level it is available on Android, Ios, Windows Phone using application is easy and fast.you can rate stuff uploaded by various users and categories makes easy to find wallpapers or ringtones easy. you even dont need to set size of a wallpaper it automatically choose correct size for the device.