Here's a nice video: http://www.youtube.com/watch?v=wVFy9jrJhCk
Does anyone know where I can get the self-optimizing block from?
You can get the Self-Optimizing Block from the EPiServer Add-on Store inside of your EPiServer installation. Look in the "EPiServer Add-ons" section, and you'll see it in there.
Can anybody explain what is self optimizing block?