I spent an hour plus this morning looking at these videos. They bring back a lot of fond memories for me. I got into custom painting in the 60's and I guess you could say I was almost obsessed with painting. If I wasn't painting, I was thinking about painting. I airbrushed designs on anything that would sit still long enough. If you've never played with an airbrush, you should give it a try. Being artistic would be a plus, but anyone can get great results with an airbrush. It's not that hard if you learn to use the masks, and anything else, like torn paper edges, cotton, patterns traced from magazines. I started a thread some time ago about showing my grandson how to use an airbrush and for his first try, he did a great job.
The guy that did those videos did a great job illustrating the techniques used in achieving great results. Thanks for the link.