I know there is a Iron Door forum on these boards but little activity for some months now, hope Geoff Hogarth is OK.
A few years back 2004 Geoof kindly sent me this for which I was very grateful and I resisted temptation to post anywhere as I wasn't sure if DVD was to be sold.
I doubt it is now commercially available so felt appropiate to share., some may enjoy it.
PART 1
PART 2