Thought I would try a smoke shot. I then dragged it into photoshop and added a blue gradient background and then made that grad layer a Hard Light layer.
The shot was taken on a 350D with a Sigma 70-200 f/2.8 (I sold my macro a few weeks ago! doh!). ISO 1600, f/2.8 and 80th of a second at 200mm.
The smoke was provided by a incense stick and the background is a black towel. The smoke was lit (due to lack of a off camera flash cord) by two halogen desk lamps placed directly below the smoke.
The lights and stick were on a table below the work surface where the towel was so it gave me a completely clean background to shoot against and also so the lights didnt illuminate the towel or work surface.
I then ran the image through Noiseware to remove some of the noise caused by the high iso. The image was rotated 90 degrees CW as well.



