Different airbrush art calls for different psi on your compressor. PSI stands for pounds per square inch and for automotive airbrush art you need a compressor that has a psi of 55-65. Iwata is a great name brand to go with and they offer four compressors that will work for airbrushing automotives. Badger is another good name brand that you can go with. Pamela Shanteau also teaches workshops around the United States that offer a hands on learning experience for airbrush artists. Her workshops allow for students to learn her techniques and gain more knowledge while under her supervision. She is there to show you how to do airbrush art, help you quickly spot your mistakes and learn how to advance in your techniques. Once you are happy with it then airbrush it on to your project to create your own unique airbrush art design. If you don't want to get outdoors to look at new scenery and you don't want to go to the library then you can just surf the web. The internet if full of inspiration for your airbrush art. Start looking at various images and keep surfing until you find the one that gets your creative juices flowing again. Family portraits can be airbrushed over hand painted as well to give for a more realistic painting. The interior of your home is also a place for airbrush art. You can go with a nice mural on your wall to give a room in your home an artsy feeling. Or you can scale it down and just airbrush a border at the tops of the walls. This could give you a little bit more of an edge over taking a work shop where the instructor has many people to teach at one time. Once you have mastered your skills in micro airbrush art you will be amazed at the amount of detail that you can place in any airbrushing project. This ability will help set you apart from the rest of the competition and allow you to reach the top of the airbrush art industry. Airbrush art on the nails is not for the beginner just getting started in airbrushing. The work area is very small and the artist has to have mastered the techniques involved with airbrushing. One main problem that beginners face is over spraying. Over spraying is when the artist sprays outside of the area in which they are trying to spray.