Outdoor light painting has become really popular in the last few years. One of the most common things people do with outdoor light painting is to write words using sparklers or a flashlight. While sparklers and flashlights are fun, you can accomplish outdoor light painting with just about any kind of light.
The spiral image above and the image two half-spheres below were created using string lights that were attached to a bike wheel. The other images were created using a color-changing light bar.
This clone image was created by arching the light over the subject, turning the light off, waiting a second for her to move, and then arching the light over her again.
Outdoor light painting can be easily accomplished using a tripod, a slow shutter speed, and a light of some kind. You can create all sorts of designs, patterns, words, and effects using light painting.
Darlene Hildebrandt gives some great tips on her website about outdoor light painting.
The possibilities with light painting are endless, and part of the fun is that you never know how the image will turn out!