You'll feel like you're dropping waterfalls at your desk w/ these two.

 

Desoto Falls by Chris Gragtmans - Scroll down nearly to the bottom of the page.

 

 

As well as a Nike marketing ploy, which is actually really well done as well. Featuring Ludden on the Mekong:

 

 

Maybe James can figure out how to get the videos to play inside the PP Thread.  Couldn't figure out the [flash] coding to get it going.