While this is a very primitive method compared to modern day forms of airbrushing, it does still work. Take a look at children's airbrush art kits that require the child to blow through one end of tube to create the airbrushed art. Now ancient forms of airbrush art have bled over to modern day children's crafts. A couple of great features of the video is that you will learn how to truly work with House of Kolors paints and how to work with low air pressures. Learn more about how to do freehand is also a great asset of this video. These are advanced techniques and will take you as an artist to the next level of airbrush art. When choosing an airbrush compressor keep in mind that put airbrush art onto t-shirts does require a high psi. The psi setting should be between 40 to 60. Make sure that your compressor is rated for the type of work you are going to be doing. In this case it will be airbrushing t-shirts. When doing airbrush art onto t-shirts as a business then invest in a commercial air compressor. Air Brush Action offers up a good beginner's video called AirBrush Action Introduction to Airbrush. This video comes on DVD and will help you to learn about airbrush art. You will get 1 hour and 30 minutes of techniques and principles of airbrushing that will apply to all types of airbrush art. The video features Air Brush Action's Teacher of the Year for 1995, Debbie Eastlack. You will need to keep the original design so that you can refer back to it. After you have made copies of your traced design start cutting out the areas that you need to cut out. Then place the home made stencil onto your project and begin to airbrush your project. If you want to use a more durable material to create your stencils you can use the plastic pocket folders. The internal mix is when the air and the paint both mix inside of the airbrush. This will create a atomized fine dot spray pattern. This makes the internal mix a good choice for fine detailed work in your airbrush art. The point at which they come together is in the head assembly. The external mix is where the air and paint come together outside of the head assembly or the fluid assembly.