Here is an effect that can shed new light on a flat image – literally. The possibilities for improving the illumination in your photos are pretty amazing.
You can tranform a picture with flat lighting into a picture where the subject looks as though they were photographed with a spotlight or another type of light with a narrow beam. Neat trick! This effect works well for portraits and still-life photographs.
Here is a quick and easy Photoshop tip for creating either a dark or light vignette for your photo.