Autowall is a very simple script to automatically download and set wallpapers from Wallhaven.cc
You need to have a wm that uses feh to set wallpaper. This is a tool primarily designed for window manager users and not for desktop environments.
Just clone and run sh install.sh
.
git clone https://github.com/begbaj/autowall
cd autowall
sh install.sh
This software is distributed under the GPLv3 license.