EDIT: To save the movie without QuickTime Pro: just right-click the link above and choose “Download Linked File” (or “Save Link to Disk” or something like that) then pick a place on your computer to save it. On the Mac, just option-click the link to save to your Downloads folder. It’s CC-licensed, so please use it any non-commercial way you wish, sharing again if you create derivative works.
(You don’t have to ask permission to use it educationally/non-commercially etc., but please leave a note in the comments here if you can. Commercial use does require permission, so email me, Iain, at this site.)