A bottom feed or siphon feed airbrush works best when putting airbrush art onto a t-shirt. You should always stick with a name brand airbrush when airbrushing. The best name brands to go with are the Iwata or Badger. The Paasche is also a good quality airbrush to go with. You will save yourself money in the long run when using a name brand versus a generic airbrush. Once you have the basics down on how to work the airbrush then you can pretty much create some great airbrush art on your automobile. It does not matter if you can draw or not. There is no need to be able to free hand you art work either. Stencils can be used to airbrush art on to your automobile just the same as any other surface or project. When make up is airbrushed on the effects of what it does to the subject can be really drastic. Take a woman who has flawed skin and airbrush a light foundation onto her face and you now have a woman with perfect skin. The great thing is that the foundation is light weight and barely noticeable. Airbrush makeup has been able to take a woman that is plain and turn her into an exotic beauty with the right application of certain makeup. Almost everyone on the internet has started using a blog. Well you should be no different. Get yourself a free blog and start showcasing what you can do. Don't just put up pictures of your work though. Make sure to actually talk to your audience. Tell them about yourself and your passion for airbrush art. This will give you a feel for stencils as most beginning airbrush artists will use stencils to create their airbrush art. Practice using stencils on a cheap surface and still using your black paint. You will also gain knowledge from trial and error on how to remove stencils without disturbing the paint. The prep work that you do will be determined by what type of surface you will be airbrushing. The prep work to the surface will ensure that the paint sticks to the surface and that nothing is interfering with the airbrushed design. For airbrushing t-shirts, sweatshirts, denim and other natural fibers you first need to wash the material.