The less air pressure means that you can use slower movements when airbrushing. The bottom feed is where the cup is mounted to the bottom of the airbrush and the paint is brought up via a siphon tube. It is for this reason that the bottom feed is also referred to as a siphon feed. Since the artist can attach the cup to the bottom of the airbrush the colors can be changed quickly by using different cups prefilled with the colors needed. It is in these small areas that a lot of artist miss the chance to really define the details because they are unable to fully create the detailed area. Micro airbrushing is needed to really capture the details of these small areas. Micro airbrushing is also a valuable skill for an airbrush artist if they airbrush small model cars. Start looking at various images and keep surfing until you find the one that gets your creative juices flowing again. Print the picture that help you so that you can keep it around as your muse for as long as you need it. It may take awhile but with the limitless supply of images and artwork on the internet it is sure to keep you supplied with some inspiration. You are trying to create a new form of art and are finding that some things may be a little difficult to get to happen. The experts showing you how to do something on a video make it look so easy. You will believe it is easy until you get out there and try to do it yourself. It is at this moment that you realize that you are not able to do what they did. When working with nails you do not want to end up airbrushing the person's fingers. So before attempting to do airbrush art on nails gain some experience with airbrushing on larger surfaces. Depending on the type of airbrush art you are doing will determine the type of airbrush that you need. When doing airbrush art on nails go with either the Iwata HP-A or the Iwata HP-B. AirBrush Action offers their Airbrush Getaway Workshops that run from a one day class to four day classes and are located in Las Vegas, Nevada. The workshops offered cover airbrush t-shirt art, murals on steel introduction, achieving photorealism, pinup art, pin striping and much more on airbrush art.