Ok a lot of teenage girls in australia and shop at this store http://www.supre.au.com - www.supre.au.com  i personally would never shop there as i think it is a *insert bad word here* store

here are a few other places australian teens shop

http://www.jayjays.com.au - www.jayjays.com.au

http://www.generalpants.com.au - www.generalpants.com.au  

http://users.hunterlink.net.au/~debeh/equip/wildsurf/ - http://users.hunterlink.net.au/~debeh/equip/wildsurf/  (i don't think that site has anything on it)

http://www.sportsgirl.com.au/home.asp - http://www.sportsgirl.com.au/home.asp

Yeah thats a few shops