Lighting implements. I have a variety of lighting implements I use, some of them homebrew, some of them off-the-shelf.
Blue Leg
A pair of legs and blue illumination
Dancing through light
A model being painted around by blue lights
Green Hair
A streak of green playing in the model's hair
I don't know what's come over her
A nude woman being lightpainted by a pair of blue lights
Transformation Sequence
Red and blue illumination for a model
Behind a Field
A pair of legs and a lightpainting with purple and blue lights