It detects your DE or WM, gets wallpapers from Unsplash and sets them using either your choice of wallpaper setter or by nitrogen. Not enough? It can also change your theme based on the wallpapers that it gets, thanks to pywal.
usage: quickwall [-h] [--version] [--clear-cache] [--setter SETTER] [-d] [-t] [--remove-id ID] [--dir DIR] [--id ID] [--random] [--search TERM] [--migrate] [--set-lockscreen] [--level LEVEL] [--list-level] QuickWall - Quickly set latest wallpapers from Unsplash directly from the commandline. options: -h, --help show this help message and exit --version show the program version number and exit --clear-cache Clear the cache from the cache folder (~/.cache/QuickWall) --setter SETTER Wallpaper setter to be used. Currently supported ones: nitrogen, feh, xfce, kde, gnome, unity (default: auto) -d, --disable-blacklist Disable adding the image to blacklisted ones. -t, --disable-theme Disable setting a colorscheme extracted from the wallpaper --remove-id ID Remove the passed ID from the blacklist. --dir DIR Directory to download the wallpapers --id ID Get a photo by its ID. --random Get random wallpapers. --search TERM Show wallpapers based on the passed term --migrate ONLY FOR EARLY USERS. Move the files from ~/.QuickWall to ~/.cache/QuickWall. --set-lockscreen Set lockscreen wallpaper (currently for KDE) Logger: --level LEVEL The level of the logger that will be used while verbosing. Use `--list-level` to check available options. --list-level List all the available logger levels.