Why is my .flv video not recognized as a video?

I see the "photo - video only" error message when I try to show my video. I have specified to take it from Downloaded and hit Open,

Little Dog2015-02-10T13:20:27Z

Too bad you did not tell us which computer or media player you are trying to use. Download and install VLC player from www.videoLAN.org and use it as your media player rather than whatever you current media player is.

RWPossum2015-02-10T14:05:26Z

This is a question for Yahoo!