If you are interested in making your portraits look absolutely the best, despite the reality of the subjects, hah, then you might want to take a look at the following airbrush tutorial and touch-up tutorial recommended by Donncha.
Some people disagree with this kind of thing, and I can see their point about the negative affect on peoples self-image when magazines are full of perfect-looking people, but on the other hand that is what the market is demanding so there is a pressure to conform. While there is he demand people will need to fill it so these skills are necessary. Besides, who wants their zits on view?
