You have mastered your language but have no idea what to do with it, why not give a music career a shoot;-)
How about a 老外 version of gagnamn style:
http://www.youtube.com/watch?feature=player_embedded&v=7Dp5X5WOf2Q
For our Japanese learners, believe it or not but there is a market for even this sort of music. Yes, he is a boy and he is from Sweden.
http://www.youtube.com/watch?NR=1&v=INKCPOQL98c&feature=endscreen