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. It is in these small areas that a lot of artist miss the chance to really define the details because they are unable to fully create the detailed area. Micro airbrushing is needed to really capture the details of these small areas. Micro airbrushing is also a valuable skill for an airbrush artist if they airbrush small model cars. Her videos will give you a more visual learning aid than you would get from the detailed directions in her books, so if you learn better from watching then the videos are your best bet when learning from Shanteau. Pamela Shanteau also teaches workshops around the United States that offer a hands on learning experience for airbrush artists. A great way to do this with paints that do not require heat setting is to place the t-shirt by itself into a sink full of cold water that has salt mixed into it. The cold water and salt will help to keep the shirt when it is laundered from fading or bleeding. Placing airbrush art onto t-shirts can be fun and exciting. A Look At Airbrush Art Workshops Learning airbrush art from books and videos can only take you so far with your art. To take things to the next level and gain some insight straight from an expert, then enroll in an airbrush art workshop. Airbrush art workshops are offered around the world by many expert artists who will show you up close and personal how to create art like a pro. During the 1930s airbrush increased when advertisement agencies jumped on the bandwagon to create advertisement of new products. Soon airbrushing would be used to paint Pin-Up girls on to the American planes during WWII. This is where airbrushing started showing up in the more modern world in the form of art.