http://prezi.com 

Here is the link if the embedded version doesn't load: http://prezi.com/123566/                                                                                                                                                                       

A slideshow in a non-linear format                                                                                                        

http://empressr.com  

Here is the link if the embedded version doesn't load:  http://www.empressr.com/empressrflx/Empressr_Viewer.aspx?token=NBFyLUz2cZY=&popup=true

Upload PowerPoints, pictures, etc.  to share on web.         

The one below has music - click volume icon to turn on.

It gets annoying, so turn off soon.

http://slide.com                                               

A slideshow of photos in various design formats                       

http://vuvox.com

Left to right presentation, like a timeline.

http://yudu.com

An online publisher.  Upload your documents, packets and give it a magazine or book look to it online.