The powder helps to keep the tattoo from fading. The 70 percent alcohol is to clean the airbrush gun and glass bottles with after you are done. Airbrushed art used to create tattoos will last for 7 days on the norm. Now if you have extremely oily skin it could start to fade in a couple of days. If you have dry skin it could last past the 7 days. While each issue may include some other forms of airbrush art, the issue has a main theme throughout. The publication has buyer's guides, tips and tricks, artist bios and so much more that is sure to be appreciated by any airbrush artist. By offering a major theme each month there is more chance of appealing to a wide array of readers. 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. The only thing you need to be doing is experimenting with the airbrush. Get used to how it works and feels in your hand. Practice spraying the airbrush at your cheap surface while you learn just what pressure is needed where. This rough grainy effect will help the paint to adhere to the metal. With metal actually being smooth the paint will have a hard time sticking to the smooth surface. This is why it is important to wet sand the metal first. A base coat should be applied to the metal before any airbrush art design is started. By discussing your techniques and sharing your insight you will show your audience that you are an artist that knows what they are doing. Once you have a couple of post up telling about yourself and showing off some of your work then you are ready to get your blog seen by the world. Some blog sites such as Shout Post and Tblog actually show your blog posts off for you to other bloggers. Over hand painted art, airbrush art can be done in less time but with the same great effects if not better. There is more that you can do with airbrushing that you can not do with hand painting. You can take airbrushing and create a beautiful mural on a concrete wall to turn that once bland wall into a work of art worthy of some attention.