i taught painting with light for several semesters and though i never delved into enough personally to get that good i did have one student that really took to it. her work can be viewed here:
and finally, back in the days of film i was a big fan of View Camera magazine and they featured an artist by the name of Berthold Steinhilber who did some phenomenal landscapes with the paint with light technique. they had a great article on him in the Feb 2000 issue where he spoke about his tools and techniques to get his shots. dug up his site here: