Yep - the Octava Rima is indeed in the Poetry-Defined section:
Ottava Rima - Lots and lots of forms there KAREN - sure it will pique your interest

--- ALSO will get around to putting up guidelines for the NEW Greeting Cards Inspirations (aspirations? not sure exactly what to call it yet...) section soon - Actually not been at my desk as often as I'd like lately...
AND - the greeting card as it appears on GreetingsGalleryOnline.com is below - wanted to put the site name on it so it's really one-of-a-kind

Click Image To Enlarge
Jacquii.