If you are still looking for a dog hatch cover there is one on EBay right now:
http://cgi.ebay.com/ebaymotors...fPartsQ5fAccessories
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.