firefox addons download helperI cannot download a streaming video... I have many different sorts of addons that can't detect the file.?

This is the video i am trying to download http://www.24-7agtv.com/Joomla/seyretfiles/uploads/videos/user_62/user_62_vrj37o8a5nc1wt.wmv but simply am not having any luck. Using firefox with 2 addons download helper or orbit downloader, both can't detect the video.

Thank you for your time.
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Hello

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