We use a test pattern to check our projection before the service.  As of 9.1 latest release, this .jpeg and others no longer appear in the media control window when they stand alone in the program, or when launched directly with the launch arrow.  

Is there a preference that needs to be changed?

BTW, when I try to turn on notifications for this thread, the message goes off screen, and I don't know whether I'm turning things on or off.