This is how you setup the jwplayer with a self-hosted video file. The official documentation: http://www.longtailvideo.com/support/jw-player/28833/quick-start-guide

jwplayer.html

<!-- JW Player Library -->
<script src="http://jwpsrv.com/library/MCK8hplLEeOY0CIACmOLpg.js"></script>

<!-- div for the player -->
<div id='playerKXSDPIwKERSv'></div>

<!-- Script to display video file in the player div -->
<script type='text/javascript'>
    jwplayer('playerKXSDPIwKERSv').setup({
        // URL to the video file
        file: 'http://dl.dropboxusercontent.com/s/mbzd7oe5yl11jjb/turcon.mp4',

        // URL to the image that should be shown before the video is started
        image: 'http://img22.myimg.de/tssbgc4e50.png',
        title: 'Turcon',
        width: '100%',
        aspectratio: '16:9'
    });
</script>