My first vector art

Wikipedia defines Vector Graphics as the use of geometrical primitives such as points, lines, curves, and shapes or polygon(s), which are all based on mathematical equations, to represent images in computer graphics.

I started using photoshop last 2008 and I still don't know anything about this vector art thing. I only see them on the net and still wondering how are these cartoon images done. So I began searching the net and found a tutorial on vectoring. At first I was kinda hesitant to try because the tutorial looks complicated, but I still gave it a shot.

Here is my first ever vector art done using Photoshop CS3 extended, I decided to use the photo of my idol Marie Digby as my first model.