And that goes for images of the authors also. Toward the goal of taking science back to its roots, PeerJ is now requiring selfies of scientists. They also intend to be able to datamine the results and determine which scientists get the most citations correlated to their selfies.
While most scientists look like this:
Charles Darwin took the first science selfie and his success showed that it was the selfie that did it. So if you want to be as popular as Origin of Species, you know what to do.
It might be better to have science articles written by authors who look like this: