Here are some trailers of teen drama/ thriller movies, which we could get ideas from as it is the genre of our film opening:
Prom Night(2008) - http://www.youtube.com/watch?v=N_7JKWRWnkU
Jennifer's body(2009) - http://www.youtube.com/watch?v=LCSzYioSeT0
Disturbia(2007) http://www.youtube.com/watch?v=5GHz3C5coSI
