After seeing the flv file names it looks like you are using a random rename script to prevent hotlinking.
Check the server side code for a missing or mistyped 'echo' statement as you are missing the name of the flv file to be played from the page HTML.
This is what the homepage shows
PHP Code:
<embed width="341" height="271" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" quality="high" src="objects/flvplayer.swf?fvideo=../uploadimages/flv/&autoStart=false&showFs=true&loop=true">
Here is an example of another video from your site that does work
PHP Code:
<embed width="343" height="271" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" quality="high" src="objects/flvplayer.swf?fvideo=../uploadimages/flv/5560711994d09a403804e2.flv&autoStart=false&showFs=true&loop=true">
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