The new flag chooser has a button to load from a file and a button to generate a random flag.
A quick way to see this thing is to create a new avatar and choose the Lost Atlantis scenario. That one requires you to provide a flag so the flag chooser is used there.
A quick way to see this thing is to create a new avatar and choose the Lost Atlantis scenario. That one requires you to provide a flag so the flag chooser is used there.