The video footage has been removed at source due to copyright issues. This has happened several times; each time I've restored the links, but as the blog grows it will be harder for me to keep track of them when they break.
My best advice is for the curious to type First Contact: New Guinea Highlanders Meet... etc. into the search bar and see what comes up. Here's what you can look forward to:
New Guinea Highlander with spear: "Those pigs can't dodge like we can."