Umm, in all fairness, there are very little secrets in "painting with light". I'm not one to knock someone for making a living out of doing something well but I also don't believe in trying to make something sound more difficult then it really is...
This was done in 5 minutes including set up....
For those wanting to learn, google "painting with light and photography". If you still want the effect and are willing to pay, call Devilfish.
Darren