I've tried to document the basic behavior on
but there's definitely a need for more screenshots and in-depth explanations. Is anyone volunteering for the English version? This would be an opportunity for someone who can't contribute code to help. I'd be happy to give you full access to the test site so you can try out everything.
NOTE 1: http://www.mediawiki.org/wiki/Extension:FlaggedRevs has a little bit of material already.
NOTE 2: We may have to re-do some of the shots as the UI evolves.