Heh - we have it hosted right here.

Those three vids are the first episode; you can find them in a downloadable version (one segment instead of three) here:

http://halo.bungie.org/news.html?item=15360

He later made a trailer:

http://halo.bungie.org/news.html?item=15565

Then he made a trailer for the sequel:

http://halo.bungie.org/news.html?item=16407

Then he made ANOTHER trailer for the sequel:

http://halo.bungie.org/news.html?item=17783

Finally, he made a short video about the characters in that original vid:

http://halo.bungie.org/news.html?item=21299

All download links still work, apparently. :)