https://connect.microsoft.com/Downloads/DownloadDetails.aspx?SiteID=14&DownloadID=10263
I'm downloading the Extranet doc but has Chris notes in the comments... http://msmvps.com/blogs/bradley/archive/2008/01/03/extranet-collaboration-toolkit-for-sharepoint.aspx#1437156 it looks tricky.
Ugh.
Read the complete post at http://msmvps.com/blogs/bradley/archive/2008/01/04/follow-up-on-extranet.aspx