The tutorial movies require the EnSharpen codec, which you can download here.

Part 8A Importing Shapefiles	QuickTime Movie 5:19	HTML Tutorial	.
Part 8B Placing Ecosystems with Shapefile Objects	QuickTime Movie 5:33	HTML Tutorial	Project at beginning of this section: VNS 3 DVD: WCS\WCSProjects\Tutorials\GIS\GISBasics8B.proj