This is a promotional photo, published by The CW on behalf of One Tree Hill. Featured in it: Bethany Joy Lenz as Haley James, James Lafferty as Nathan Scott.
Picture here: Mitch Ryan as Alexander, Daphne Zuniga as Victoria and Sophia Bush as Brooke Davis. It's a scene from the episode "Every Picture Tells a Story."
Jerry: Dude, were you really just plunging toilets? Mouth: Yeah, we really gotta stop serving tamales at happy hour. Jerry: You know how guys are, huh? Mouth: It was the girls' bathroom.