One of the real advantages of working digitally is that an artist can do several variations of the same image for evaluation purposes. The colors and design can be easily altered, something that would literally take days to accomplish when using traditional painting mediums. Here are a few variations of an image, these were all done in about one hour.
This is the original image.
Eight different variations in which I experimented with various color combination.
Two more examples and I could have done a few more. If you are an artist, try this on one of your images, it's a great way to hone your computer skills. These were all created using Photoshop Elements 2.0