True story Read before you view this, pretty eerie
> >
> > This is a car advertisement from Great Britain. When they finished
> > filming the ad, the film editor noticed something moving along the side
> > of the car, like a ghostly white mist. They found out that a person
> > had been killed a year earlier in that exact same spot.
> >
> > The ad was never put on TV because of the unexplained ghostly
> > phenomenon. Watch the front end of the car as it clears the trees in
> > the middle of the screen and you'll see the white mist crossing in
> > front of the car then following it along the road....Spooky!
> >
> > Is it a ghost, or is it simply mist? You decide. If you listen to
> > the ad, you'll even hear the cameraman whispering in the background
> > about it near the end of the commercial. Works best if you turn your
>volume up a bit.
> >
> > A little creepy but pretty cool!
> >
http://www.princeton.edu/~ccaro/mist_or_ghost2.html