Beginners should really take the time to practice on how the trigger works so that they can perfect their ability to airbrush. Your airbrush will have a back lever as well that acts to shut off the air flow and paint flow when the trigger is released. If this should be come damaged then you could have serious problems with your airbrush. Crossed Eyed will teach you how to create airbrushed dragons by showing you all the essential techniques involved in rendering all aspects of the dragon. Killer Klown with Javier Soto will show you how to create airbrushed clowns. This video will go into how to create the popular psycho demented style of clowns. Professional Airbrush Techniques by Vince Goodeve will teach you some pretty intricate designs. This book will help you learn how to prepare metal surfaces so that you can begin to learn or advance with airbrush art on motorcycles and cars. While the book will teach you some intricate designs do not worry though cause the book, also has some simple projects that you can start with when working with airbrushing motorcycles and cars. 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. It will be worth it in the long run. 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. If you rush you could end up messing your stencil all up. The stencil is to aid you in creating your airbrush art and is a big part of the art process. The different places that you can look for inspiration can help you when you are stumped on what to do with a project. When you are feeling the creative block coming on then start looking around you. Anything can be a basis for inspiration, especially if you change your scenery and look around your new surroundings with open eyes.