Looking for a hostfamily in New Zealand,USA,Kanada,Australia or England!

Hey,I’m Annabell and I will be 15 soon,I live in Frankfurt,Germany and I’m looking for a exchange partner in New Zealand,USA,Kanada,Australia or England!
Preferably in new zealand because i want to make a exchange year there in year 2012.
But now I want to travel 3 or 4 weeks in the summer holidays 2011!In addition I offer a place in my family for the exchange partner for 3 or 4 weeks.
I learn english for 4 years and french for 2 years!