You will find additional photos posted here:
http://www.freerepublic.com/focus/f-news/1833040/posts
As for video, I do know that C-Span finally posted a video link of the event — I haven’t viewed it yet so I don’t know that it includes the President’s ‘maestro’ moment [Note: If they did, it would be at the very end of the clip!]
http://www.cspan.org