To save an image to your hard drive, click on the thumbnail to load 
            the full-sized image. Right-click on the image when it is fully loaded. 
            Select "Save Picture as.." from the pop-up menu. Name the 
            image and place it in the desired folder on your computer. 
          These images are in the public domain and may be reproduced, free 
            of charge.
          Please read our Frequently Asked Questions 
            page to learn more about our online slide file.