Which preposition to use with confetti

of Occurrences 2%

Hi, Loo!" "H'lo, Jess!" They walked, thus guided by two waiters, through a light confetti of tossed greetings, sat finally at a table half concealed by an artificial palm.

at Occurrences 1%

I could have thrown a bag of confetti at the farmer's wifeit's most exhilarating to think of the coming of one's first leave.

before Occurrences 1%

Under foot the meadow turf oozed water, the shad-bush petals fell like confetti before the rough assault of horse and rider.

from Occurrences 1%

A shower of snowy white confetti from the balcony still further emphasized the popcorn idea.

into Occurrences 1%

It consisted of merely walking along a broad avenue lined with booths, and flinging confetti into people's faces.

Which preposition to use with  confetti