Load daily wallpaper from images.yandex.ru or Bing or Unsplash services and put random image for wallpaper in file /var/wallpaperloader/wallpaper.jpg
Run as daemon service in linux systems. Hourly image change.
Build debian-package with builddeb.sh for use in Debian/Ubuntu/Mint distributives.
Install with dpkg -i wallpaperloader_*_amd64.deb