downloading extra content?i dun get it.either way,to use the internet set your router to WEP encryption or no encryption and make it a public router(people can see it,so the DS can see it too)and go to a game with wifi(pokemon or mario kart)and scan to see yours,type in the password and your set.get bunjalloo its one of the best.you can use DSOrganize's browser too,get 3.1.or you can use DSHobro but it uses your PC as a server.