FEMALE POSSESSION

THERE'S N0TH!NG 0UT THERE  1991 - Seven teens head up to a cabin on the lake for spring break. Mike has studied all horror films on video, and recognizes the signs of foreshadowing of doom. The others dismiss his concerns as the workings of a person that watches too many videos, but there really is something out there, and the teens begin experiencing an attrition problem when they start stumbling into a female possessing alien .    An alien that resembles a frog possesses a group of teenagers who are camping, to mate with the girls. The female all obey the frog-like alien.                   (  http://en.wikipedia.org/wiki/There%27s_Nothing_Out_There  )