desktopnova software package provides utility that changes the wallpaper automatically, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install desktopnova
desktopnova is installed in your system.
Make ensure the desktopnova package were installed using the commands given below,
$ sudo dpkg-query -l | grep desktopnova *
You will get with desktopnova package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Miscellaneous |
| Package | desktopnova |
| Version | 0.8.1-1 |
| Description | utility that changes the wallpaper automatically |
| Sub Section | Misc |