On Wed, 24 Jun 2009, Mohamed Bana wrote:

> can i also ask, does simple-slides offer something like this?
>
> http://people.cs.uu.nl/andres/NixOS-IFIP.pdf

This is pretty simple using simpleslides. You would need to figure out the 
metapost code to draw those curves¹, and then use them as backgrounds. 
Read the details in the other email that I sent.

Aditya

¹ This presentation is made using beamer. If you can find the beamer style 
file, then it should be straight forward to translate the tikz/pgf code to 
metapost code to draw the background.