In order to better appreciate the color and tone in these images, please ensure that your monitor is properly adjusted.
First set your monitor to a minimum of 16-bit color.
These pages are optimized for viewing at 24 bit color and a resolution of 800 x 600 or 1024 x 768.
Adjust the contrast and brightness settings of your monitor so that you can see each step clearly.
Be sure that you can separate the black steps, the darkest step should be as dark as you can make it while still being able to separate it from the next lighter neighbor.
More information on monitor adjustment can be found at:
