New game. That’s So Wrong
Reply to the previously posted image with a description, tag, name or the like that completely incorrect captures the essence of the image. Think of the “wrong answers only” games on FB.
Reply, using the quote function and make sure to snag the previously post image.
Under it, give the image a title or comment that is hilariously incorrect was to the substance of the image.
Just write something funny or stupid about the previous image. Maybe something that only tangentially relates, or captures something odd about it.
then post a new image, any image from the web for the next person to say something funny about. Try to find something weird or shocking, or funny. The weirder the image the funnier the response might be.