No matter what material you go with make sure that you remember to cut out your areas slowly. By taking your time you can make sure that everything matches up the way it should. If you are doing a stencil for say a dog then you would want to take your time and make sure that the eyes were the same size, the nostrils were cut out shaped the way they should be and so on. With single action only the air is controlled with the trigger. The trigger will control the air and the amount of paint that comes out is determined by the needle adjustment on the back of the airbrush handle. Dual action is when the trigger on the airbrush controls both the air and paint. The trigger is pressed down for the air and back for the paint. Kent Lind will show you how to create cool caricatures in this approximately 70 minute video titled, How to Airbrush Caricatures. This video will go into all the details that you will need to know to create your own airbrush art caricatures. These designs are great on t-shirts, canvas and if you really want you can put then on your car. This kit includes a 4 outlet air manifold, 4 single action ABA airbrushes, 12 glass airbrush bottles, 4 air hoses, 10 60ml of airbrush art tattoo inks in white, blue, red, yellow, violet, fuchsia, green, fluorescent green, fluorescent yellow and fluorescent blue and 1 120ml of black airbrush tattoo ink. Simple techniques will give you a better understanding of the process and allow for you to have a foundation in which to build on. When you first try using an airbrush you need to use a cheap surface that you can just practice with. A simple black paint with work for this. No need to buy additional colors. It is best when using automotive paint to wear a respirator at all times. When using automotive paint make sure that it is thin enough to flow through the airbrush. If the automotive paint that you have chosen does not flow then thin it down so that it flows. The paint should be thinned to about a milk thickness.