True Grit
I find the True Grit really hit the mark when it comes to American greed and instinct. It addresses the greed of man when it focuses on Chaney, the outlaw who killed Mattie's father along with other illegal actions. He's a man who drinks and spends his money on what he wants at the moment, things that don't often matter. When he and Mattie's father, Frank, are at an impasse, he simply murders him and takes anything valuable off the body before fleeing. He lives well up to the stereotype of an American outlaw, down to the point. In the end even when he's been beaten and hurt, instead of sucking up his pride he instead laughs at Mattie's misfortune and his own victory of taking out Lebouf. Of course it's short lived when Rooster takes him out. Rooster is sort of between greed and values. He cares about Mattie in a way, enough to humor her endevours of joining their manhunt enough to believe she earned to join them. Of course he's still a drunk, he draws