January 07, 2014, 2:53 PM — The Variety Wallpaper Changer lets you get new wallpaper, rotate wallpaper, and separate them. Here's how you can install it in Ubuntu 13.10.
1. Open a terminal window.
2. Type in the following commands then hit Enter after each.
sudo add-apt-repository ppa:peterlevi/ppa
sudo apt-get update
sudo apt-get install variety
Image credit: Noobs Lab