Humor

Broom Hilda cartoon: Everybody Polka!

http://www.gocomics.com/broomhilda/2015/10/17

Prickly City Dancing Cartoon

http://www.gocomics.com/pricklycity/2015/03/22

Stuff found while web-surfing...

http://www.theworld.org/2013/01/nolwenn-leroy/
PRI's "The World" - Global Hit - Nolwenn Leroy; at the end, she sings a song you may recognize as the tune to which we dance "Le Laride". Turns out the name of the tune is "Tri Martolod"
Here's the youtube video: http://www.youtube.com/watch?v=jTuBnZrLbq0
and here are the lyrics with a translation: http://lyricstranslate.com/en/tri-martolod-three-sailors.html 
The version we're used to is the one recorded by Alan Stivell  in the 1970s.

On another subject, here's an interesting version of Skudrinka (check out the shoes!):

And here's a a youtube page with lots of Bulgarian dance videos: http://www.youtube.com/user/BulgFolk/videos

And today's "Agnes" cartoon is about Line Dancing
http://www.gocomics.com/agnes/2013/02/03:

And finally, this last one isn't exactly dance-related, but it does involve a guy in a kilt with sporran, and might be amusing to the Scottish-dancing physicists:
http://www.thenakedscientists.com/HTML/podcasts/science-sporran/

Peanuts Dance Cartoons

http://www.gocomics.com/peanuts/2012/09/17

http://www.gocomics.com/peanuts/2012/09/19

BC - Country Line Dance Cartoon

http://www.gocomics.com//bc/2012/05/21

Peanuts dance cartoon

http://www.gocomics.com/peanuts/2012/01/11

Salsa Dancing Cartoon

http://www.gocomics.com/closetohome/2011/11/09

Another River Dance Cartoon

http://www.gocomics.com/closetohome/2011/11/12

Friday night dance cartoon

http://www.gocomics.com/working-daze/2011/10/22

Another Agnes Salsa cartoon

Agnes cartoon - salsa dancing

Agnes dancing cartoon

Chicken Dance Cartoon

Dancing cartoon

http://www.babyblues.com/archive/index.php?formname=getstrip&GoToDay=04/01/2008

Another Riverdance cartoon

Riverdance Cartoon