I am not really new to painting, but have been out for a while. I want to start doing some custom work though, so I bought a Paasche VL airbrush kit. I have only practiced a few times, but when I used it the other day, color would spray out when I pushed down on the trigger. Being a dual action, it is not supposed to spray color until I pull back on the trigger. I took it all apart and cleaned it, and got out the directions to troubleshoot, but cannot figure it out. If anyone has any ideas on how to fix this, please send them my way. Also, the kit came with two other needles. Are these replacement needles or do they spray different for more detail? I would also like to know what is a good airbrush for spraying detail? Thanks in advance for any input. Anything at all will be greatly aprreciated.