Is your Iguana a baby? well even if it isn't, this is a wonderful group, lots of knowledgeable people.
http://pets.groups.yahoo.com/group/BabyIguana/

If you don't want to join that group, I have all the info you need. I just got another iguana last night. This one is a baby!! My first time with a little tiny one. I have had an 8 yr old, male 5 ft long, and a 3yr old, male 3ft long.