What happens when you hang 100 $1 bills in a tree?

(Video link) Amy (with the help of her friends Ben and Brian) attached 100 $1 bills to a tree on a public street. She says she did it "just to see what would happen." A lot of passers by didn't notice the tree. A lot of them noticed the tree but kept walking. A lot of them took one bill. A few took more than one.

What would have happened if Amy had attached $100 bills to the tree instead of $1 bills? (Via Cynical-C)