AllPosters.com is now selling official Eclipse posters.
The first poster is the Movie poster with Bella standing between Edward and Jacob:
The second is a poster made from the front of the Eclipse book:
I also saw on their website that if you place your order before Thursday, you will get 10% off. That makes it a great time to buy either the new Eclipse posters or any of the other Twilight Saga posters that they have in stock. Poster prices start at $6.99.