Reload the page to get a different face.
Or take a look at the Gallery.
Or switch type: dwarf elf man new orc squid woman
Images by Alex Schroeder.
For demonstration purposes, you can also use this link to a random face. You'll get a new random face every time you reload. If you're writing an application that needs the URL to a random face, you're better using this redirecting link which gives you a URL to use.