Daily Art Wallpapers with Google Arts & Culture and Systemd

Google has a lovely Arts & Culture extension for Chrome that displays a random masterpiece from museums around the world every time you open a new tab. It&rsquo;s a nice way to discover art you&rsquo;d never otherwise encounter. The problem: it only works when Chrome is open. I wanted this on my desktop wallpaper, system-wide, updating automatically even if I never touch a browser. Here&rsquo;s my…