I think almost everyone from S. Korea and other parts of Asia have that small pox vaccine scar on that top part of their arm. American soldiers that deployed overseas all have that small pox vaccine scar as well. Taking vaccines and medication is basically mandatory for military.
Check if you have qt5-imageformats package installed. It is an optional dependency for kio-extras package that is not installed by default on Arch distros.
I am pretty sure webp works with the wallpaper picker on plasma5 from my experience.