Hair is usually horrible to extract from the background. Everyone today is offering a little help in that arena. PhotoImpact has got a very good extrator for no more money, YEAH!! Whereas sometimes the programs is a little convoluted to get from point A to point B, and not all filters work, it really is fun to add lighting effects and for other things, do post processing in PI.
Here is an example of what I did practicing with the PI extraction tutorial.
The tutorial is worth doing to know how to use the tool.