If you ever found yourself repeatedly starting and stopping an
    online video clip because it wouldn't buffer fast enough or
    felt that Flash was slowing your browser down to a crawl, you
    should try Video DownloadHelper for Firefox.
  
  
    Video DownloadHelper is a free add-on, and it has been around
    for years. With almost six million downloads and over 3,000
    reviews giving it an average of over four stars, this is one of
    the best ways to download videos off YouTube, Vimeo, and a slew
    of other video-hosting websites.
  
  
    The link below will help install the Video Downloadhelper
    Add-On to your Mozilla Firefox browser.  This step is
    required.