These are mostly large MP4 files.  Should have a fast internet connection and an up-to-date computer with a decent video graphics card and sizable memory for best results.  The downloads may take 2 to 4 minutes.
Also, you must have a viewer that supports mp4 files.    If you're having problems with viewers like Windows Media Player or Quicktime, I suggest VLC for a viewer.  It's free and excellent.
If interested go to:  http://www.videolan.org/vlc/  and download it. 

Back in the 70's, I spent a couple of days at Candlestick Park, south of San Francisco, doing some extra work for the movie ' Freebie and the Bean' starring Alan Arkin and James Caan.  So, this is about 3 seconds of my 15 minutes of fame.