I have some algae that just started growing on my driftwood and it's spreading, can someone tell what kind of algae this is and if there are any fish I can get that will eat it or how to get rid of it.

Photo's
http://pg.photos.yahoo.com/ph/matthe...7e.jpg&.src=ph
http://pg.photos.yahoo.com/ph/matthe...91.jpg&.src=ph
http://pg.photos.yahoo.com/ph/matthe...e2.jpg&.src=ph

Thanks