You’ve seen the ingenious D-9 ad campaign splattered across phone booths, billboards and benches encouraging us to report non-human activity. And, in contrast, you’ve probably also seen the underwhelming commercials displaying images of aliens, spaceships and violence. Bo-ring. Exactly what you’d expect from another sci-fi movie. Throw Peter Jackson’s name in the mix you’ve already got a guaranteed blockbuster. But Neill Blomkamp’s “District 9″ isn’t exactly your typical alien movie, it’s more layered and emotionally complex than I expected…