Rovio Mobile made a Halloween wallpaper that you can download for free for your desktop or iPhone. The iPhone wallpaper is available as a lockscreen version and a home screen version. For the iPhone 4 and iPod Touch 4G Rovio created a HQ 960×640 wallpaper, for the other iDevices he created a 480×320 version. The 1920×1080 Desktop wallpaper and iPhone wallpapers are available on the Rovio blog.