On this page you can download a copy of any of the photographs on this site. These will often be better quality copies than the ones you have seen so far as those were compressed to reduce the delay loading pages to the minimum.
Click on the picture you would like. It will open in a new window. If you like it enough to save it right click on the picture and choose "Save Picture As..." or "Save Image As" from the pop up menu that appears. Then choose where you want to save the file. Remember to close the new window when you are done.