In honor of the very violent District 9 [Check out our review here] we'd like to salute the films where extra-terrestrials make first contact… upside yo' head (and then you die). Below are 10 grotesque clips of the goriest instances of alien-on-Earthling violence throughout cinema.CLICK ON THE IMAGES TO VIEW THE VIDEOS  "WATER MY ASS! BRING THIS MAN SOME PEPTO BISMOL!!!" — ALIEN (1979)  JASON LEE VS. THE SH*T WEASEL — DREAMCATCHER (2003)  BILL DUKE CAUGHT IN THE CROSS HAIRS — PREDATOR (1987)