The use of talc powder after the design has dried will help to keep oil from building back up and thus still ruining the airbrushed tattoo. Nails should be clean and buffed prior to beginning. Buffing the nails will give for a rougher surface for the paint to cling onto. Prior to actually airbrushing the nails, a base coat should be applied. See where I am going with this? You just took two things you seen incorporated them both together turned them into something else and now you have a unique floating cloud playground. Inspiration can also come from books as well. Go to the library and check out some art books to help you get some inspiration to get you going again with your creative design. 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. If you are using a double action airbrush you should be experimenting to see how far back gives you how much paint spray. Being able to do micro airbrushing will allow for the artist to create a more realistic and more in depth detail on all small areas of their airbrush design. 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. Beej Curtis instructs on airbrush art in 1 and 2 day classes covering different aspects of airbrush art. Beej Curtis also offers private 1 on 1 lessons for anyone wanting to learn in a more private setting. The private lessons are 3 day classes that will take you from beginner to advanced airbrush art techniques. 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.