Earlier in the season it is revealed that the locker assignments are alphabetical by last name. In this episode, Rachel walks up to Peyton while she's at her locker and offers her a bootleg CD. Soon after their conversation ends, Rachel opens a locker that is just two or three away from Peyton's. Rachel's last name is Gatina and Peyton's is Sawyer.
When Haley is talking to Chris after putting "Janis Joplin" on the map, her hair is up, but it changes to down alternately: when the camera is on her face, her hair is up; when you can see the back of her head, her hair is down.
Throughout the entire series the point has been made that the River Court was along the Cape Fear River at or near its estuary (note Coast Guard and other large ships in the background) and also a coastal community in "New" Brunswick County. This episode twice shows a detailed North Carolina map putting Tree Hill approximately where the town of Wallace sits which is a good 20 miles east of the Cape Fear and about 40 miles from the coast.