I found this website when I was building mine, Tennis:
http://www.hobbygreenhouse.org/.
Tom
Nikon Coolpix 5700
(Please remove appendix to reply by e-mail)

From: tennis
Organization: Road Runner High Speed Online http://www.rr.com
Newsgroups: rec.gardens.orchids
Date: Tue, 12 Aug 2003 03:30:22 GMT
Subject: hobby greenhouse newsgroup/forum.message board?

I've heard of such a site and as my planning for a greenhouse shifts
into high gear, would like to check it out. But I can't find it. Anybody
know anything about it?