trying https://addons.mozilla.org/firefox/downloads/file/5236821/video_downloadhelper-10.7.1.2.xpi
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
100  4.51M 100  4.51M   0      0 63.65M      0                              0
100  4.51M 100  4.51M   0      0 63.61M      0                              0
100  4.51M 100  4.51M   0      0 63.59M      0                              0