Photo-enhancing skin color

The tutorial I used was on enhancing the skin color of a subject in an image. The tutorial I used is:

http://www.photoshopu.com/?p=33

This tutorial is very detailed and the instruction are easy to follow. Overall, I think it takes some practice to get the skin tone right and not looking too over saturated.

Here is the before image:


And here is the after:



It's not perfect, but I learned a lot doing this tutorial, and it is pretty useful.