We all know Richard Brown to be a hardass and a crypto saint all in one. It is well-known that he is usually too busy to smile. Rumors have spread that someone might have seen him smile one time, but it is doubtful.
This bounty tasks you with getting proof of an actual smile from Rich Brown.
What should bounty fulfillers submit as proof that they have completed the bounty? What do fulfillers need to include in a submission in order for it to be accepted?