Graduation - if Adam was an Anarchist and mother wasn't dead, but she was dying.  And he had friends who would rob a bank with him.

Alpha Dog – if Adam really was a stoner.

The Girl Next Door – if Adam's best friends in high school were dudes instead of Grace.

Just Friends – if Adam had an older brother and his mom never died.

American Gun – if Adam had a brother who went on a shooting rampage and killed himself, and his mother never died.

Race to Witch Mountain – if Adam cared about computer science in school and got recruited by the Men In Black.

Fanboys – if Adam's best friends were Star Wars geeks and he was dying, but his mom was still alive.