Captain Morgan on Yehoodi.com posted that there are some very telling similarities between a dance scene in "Toy Story 3" and a clip of dancers at the Ultimate Lindy Hop Showdown from 2006. The dancers in the ULHS clip are Todd Yannacone and Frida Segerdahl. Watching the two clips together, it's hard to imagine the inspiration coming from anywhere else.
But if it isn't totally obvious, I decided to mash up the two videos using the fantastic YoutubeDoubler service, which you can see here.
After the jump are some more pics of how much the two videos match up shot by shot.
Woody and Todd both throw their partners over their back here:
And here's both of them doing the same flip over move in virtually the same angle and body position:
Finally here's Woody and Todd finishing in virtually the same position: