Use your creativity to come up with your own funny caption for a picture posted by the previous poster. Once you wrote a caption, post a new pic for the next poster to display his/her own wits.
(Useful tip, just in case - right-click on the picture to get its url and insert it in your own post)
Example
Picture left by the previous poster
My caption would be:
Hollywood's Latest Re-Imagining: Michael Bay's Moby Duck!
So here's the first picture for the next poster:
do it myself 
