New alien concept art leaked. Codename "Rose" People seem to think that this might be an older design of the alien handing the lightsaber to Leia in the trailer. If that's the case then this could be quite close to what Maz Kanata might end up looking like in the film.
http://makingstarwars.net/2015/07/is-this-piece-of-concept-art-what-maz-kanata-looks-like-in-star-wars-the-force-awakens/