I've done this before, but its a bit of fun and doing the rounds again so here we go...
The idea is to whack your itunes/ipod/media player/whatever on shuffle and see which songs come up as you go through your film.

Opening Credits : War Of The Worlds - Get Cape Wear Cape Fly
Waking Up Scene : The Everlasting - Manic Street Preachers (Great song)
Getting Ready Scene : I'll Cry Instead - The Beatles
Car Driving Scene : Gravity's Rainbow - Klaxons
High School Flashback Scene : Don't Tell Me - The View
Nostalgic Scene : The Emperor's Soundtrack - Lupe Fiasco
Angry Scene: Two Tribes - Frankie Goes To Hollywood
Agony, Painful Scene: X&Y - Coldplay
Break-up Scene : Shatter - Feeder
Sad, Breakdown Scene : Helicopter - Bloc Party
Nightclub/Dance Scene : Touch It/Technologic - Daft Punk
Buddy/Sidekick Scene: Freakbeat Phantom - The Rascals
Life's OK: You Talk - Babyshambles
Dreaming of Someone Scene: Summer Skin - Death Cab For A Cutie
Contemplation Scene: Just A Thought - Gnarls Barkley
Love Scene: Plastic Tramp - Arctic Monkeys
Kissing Scene: Secret - Bloc Party
Relaxing Scene: Dry Your Cheeks - Jamie T
Action/Fight Scene: Fallowfield Hillbilly - The Courteeners
Victory Scene : Sensual Seduction - Snoop Dogg
Closing Credits: War Is Necessary - Nas

Not too bad a soundtrack imo, not what I'd choose, but it finishes well.
I really need to get some more non-indie stuff on my laptop!!