I do Light Painting as well, and I've been doing it for a while (about 4 years maybe?). I must say though, I'm really impressed with how well you drew that. Not everyone can have the spacial skills to draw something that well without actually seeing what they're drawing. I haven't actually attempted too much of that since all of my pictures are usually rather abstract, or the lights are more for effect. I really like how this and your other pictures are drawn though. The best drawing I could pull off was just an awkward smiley face.