Tutorial on using Clipping Masks

I must admit that I still haven't gotten the hang of Clipping Masks.  There are a few steps to follow and until now I didn't understand what to do.

Here is a great video tutorial on Clipping Masks by Madalina Cadariu.
http://www.youtube.com/watch?v=Ba6z01EZeCk

Easy to follow with clear instructions all the way.  This will help with adding various features to your creation.