video not showing

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I used to use SMC which converted flv files with no problem and displayed it full screen on the player.  For some reason smc seemed to stop converting and then I found video4fuze software. That converted flv into mp4 but displayed only three quarters onto my fuze display.  So the question is.  Is SMC still available in a stable form or are there other methods for getting a full screen video.  Tks