Just start talking with people in the language you're looking to learn, that's the best way to become fluent. It takes a real commitment though, many hours a day for many months to become ''conversational''.
http://www.meetup.com
http://www.couchsuring.org
http://www.livemocha.com
http://www.meetup.com
http://www.couchsuring.org
http://www.livemocha.com