Medibuntu Repository Down - What To Do?

Medibuntu (Multimedia, Entertainment & Distractions In Ubuntu) is a repository of packages that cannot be included into the Ubuntu distribution for legal reasons (copyright, license, patent, etc).

Just when I was about to publish the "What To Do After A Fresh Ubuntu Install Script - New Version Released" post, I noticed that the Medibuntu main server is down. So I search for some mirrors.

Note: is working, just is not

I fixed this in the script by adding 3 mirrors, but here is how to manually fix it: