Article Photos: Thunder proves it's young, tough enough but not good enough yet 14/38

Oklahoma City's Kevin Durant (35) and Nick Collison (4) walk off the court as Jason Kidd (2) and Shawn Marion (0) Dallas celebrate after Oklahoma City's loss in game 5 of the Western Conference Finals in the NBA basketball playoffs between the Dallas Mavericks and the Oklahoma City Thunder at American Airlines Center in Dallas, Wednesday, May 25, 2011. Photo by Bryan Terry, The Oklahoman