Slideshows made into a movie: 

Nature Slideshow With the Man

Nature Slideshow Without the Man

* Be sure to turn the volume up nice and loud *

(It's best to save the movie to your computer and play it; otherwise,

the sound can cut in and out if you play it directly from your computers memory)
 

Click either of the movies (above) to download and view it. 

Or, Right Click it to save it to your computer (Choose 'Save Target As' in window menu).