It occurs to be that in this age of YouTube, hyperlinks to dances would definitely enhance this thread.

Here's a "vintage" movie clip of a female vocalist singing "Undecided" followed by a scene of jitterbug [now called "swing"] dancing:

http://www.youtube.com/watch?v=xJUboQ4NX5A&search=swing%20jitterbug%20dance

Added October 25, 2006; From chas63
"Popular dance clip from "Swing Fever", w Popular dance clip from "Swing Fever", with Jean Veloz; owner of the sweetest switches ever"