Don't filter 'the_content' for audio and video pots.  This ticket makes this practically useless: http://core.trac.wordpress.org/ticket/24484

I'm just commenting this out for the time being until an alternative solution comes up.
Make sure we have a chat row author before trying to use it.
Modify Superfish to use the old '.sf-sub-indicator' class rather than the newer '.sf-arrows'.