title: Background Image Scaling While Maintaining Aspect Ratio
body: <p>I would like to have images for my background that change automatically like a slide show.  But I would like the images to fill the background no matter what size the browser window is...and if it is scaled down, the aspect ratio of the image does not change.</p>
  
  <p>Here is an example of what I'm trying to do:</p>
  
  <p><a href="http://www.thesixtyone.com/" rel="noreferrer">http://www.thesixtyone.com/</a></p>
  
  <p>How can I accomplish these tasks?  Any help will be much appreciated.</p>