Hair coloring Tutorial

I wanted to do a little something I could use during the manga classes I teach, basically it was supposed to be a video, but as camstudio never works with me, I decided to do it the old way.
So here is a little tutorial about coloring hair. Of course it is only my method, and there are many many others, more realistic, more manga etc...

My english isn't perfect so I would like to apologize if I am not very clear, I hope the pictures will help you.

Feel free to share it bu never claim it as yours (I don't know why it would happen but... XD).

(The illustration is something I am working on, it would have been finished today but my computer crashed and I lost most of it TT^TT)