KDE actually has a plugin that does just that, I use it currently to rotate a fantasy illustration as my wallpaper every hour from that site.

Funny how the BBC didn’t quote asmongold (because then they’d have to mention the word ‘genocide’ twice). P. S.- not defending asmongold at all just the Palestinians.

You should try gufw. Great for simple setups! For more complicated ones you could use opensnitch.