Meebo has disclosed that 11 more sites have committed themselves to integrating Community IM, its forthcoming out-of-the-box service that adds Facebook Chat-like instant messaging capabilities to the bottom of any website. The newest enlistements include Bleacher Report, Dhingana, Fanpop, GlobalGrind, IBeatYou, OrangeShark, PerfSpot, UGAME.net, Yaari, Zinch, and Zorpia. These join a set of previously announced partners that includes DanceJam, Flixster, myYearbook, Nickelodeon/MTVN Kids and Family Group’s AddictingGames, Piczo, SparkArt, Sugar Publishing and Tagged. That’s a grand total of 19 companies that believe instant messaging within the browser will make their sites stickier. Meebo is touting these partners as collectively providing the service with over 70 million new users.