If you want a neat desktop without Wallpaper Engine, Andy's list of beautiful 4K gaming wallpapers ... Engine on Steam for $3.99/£2.99, and once you have the software, you can download as many ...

Live wallpapers are ... if you just want to download an app, find a gorgeous wallpaper, and enjoy Geralt of Rivia bobbing up and down on your desktop, Wallpaper Engine is easily worth the $3. ...

Once you have Wallpaper Engine, the wallpapers themselves are free, so it's really worth a shot if you want something unique.