How to get a airbrush look without being or look caked?

How to get a simple fresh makeup look without having to put on too much makeup, or layers and layers of makeup to cover up the face and yeah. I also want to get similar result like the airbrush gun but i can't afford to. Or if you have any favourite foundation that gives a great result and not clumpy results or powder foundation? thanks. it's hard to explain but i want to achieve the celebrity look for example a href="http://wallpapers.free-review.net/wallpapers/75/Celebrity_-_Jennifer_Joanna_Aniston.jpg" rel="nofollow"http://wallpapers.free-review.net/wallpa…/a it doesnt look like she's wearing makeup even though she is.