1)   Light Artist 1.5
Light Artist lets you add realistic lighting effects and a touch of 3D to your images. You can add multiple light sources of different color and intensity, highlight any image areas and make dull and unexciting tints brighter.

 2)   Photo! Editor 1.1
Get powerful and easy-to-use image editing tools for free with Photo! Editor. The program provides a number of useful image editing options with an astoundingly simple interface.