You're so right. Kids are too used to seeing SFX in movies .. not sure that images help them to grasp the sense that this could be them. Teenagers not renowned for empathy either.

Can't hurt though I suppose. I watched an horrendous youtube clip of a biker being run over by lorry the other day and it terrified me so much that i refused to go out with my brother on his...

(I have the mind of a teenager i think- especially as I STILL light up out of shock after watching anti smoking campaign thingies) :0