There are three different sizes of the desktop version:
For the iPad and other pad devices we have two sizes which work both vertically and horizontally:
For the iPhone and other phone devices we have:
Click on the links and download your own Moomin wallpaper. Then set is as your wallpaper as you normally would. There’s nothing more to it.
It appears that Apple’s iOS7 parallax view zooms in on the image. To prevent this from happening on your iPad or iPhone go to Settings > General > Accessibility > Reduce motion > Switch to ‘on’ position. That will let the image scale properly.
Please let us know if you’re having any trouble installing your Moomin wallpaper.