Standard behavior is for the site to display either Main Image or Alternate Hero Image at the top of the content display. Main Image is the default, but you can override this with "Alternate." If you would like to have a Main Image for teasers, Facebook, and other lists, but DO NOT WANT an image the top of the page display, you can turn the image off by checking this box.
This is the original image (1990 px X 1326 px):
This is the compressed version (765 px X 510 px):
