Auto Air Colors Ultimate Airbrush Effects and Techniques DVD Ultimate Airbrush Effects & Techniques" 90 Minute DVD Presented by Auto Air Colors! Over 40 pro airbrush tips and 24 special effects included. New Auto Air Effects & Techniques features more than 40 top pro tips and 24 special effects Taught by legendary artist Terry Hill. This is the BEST Auto Air DVD available for really getting the most out of the entire AutoAir system