Looks like it's been moved.This is the New Members Introductions forum, which you have started a thread on already. This thread may be have been served on this forum - Coop & Run - Design, Construction, & Maintenance
Yes, we need pics!Could you post some pics if your coop? Would be easier to suggest any ventilation issues.
Meanwhile, here's a good discussion on ventilation:
http://www.backyardchickens.com/t/1048597/ventilated-but-free-of-drafts
...also:
Where in this world are you located?
Climate is almost always a factor.
Please add your general geographical location to your profile.
It's easy to do, (laptop version shown), then it's always there!