The large graphic at the top of most websites, often referred to as the "hero image", is meant to capture the attention of an audience that spends most of their time on other websites.
I came up with the idea to generate a number of images that would randomly appear in the hero image space each time the homepage was visited.
Some time ago, I found a piece of Javascript that would randomly generate a different image each time the same viewer visited or refreshed the page.
NOTE: Only 10 images; you will get repeats