Some more sites to check out if your an Alien fan.

Ive put this one down already but I gotta put it down again cause its such a good source for info.

http://weyland-yutaniarchives.blogspot.ie/

http://avp.wikia.com/wiki/Main_Page

http://alienseries.wordpress.com/about-strange-shapes/

Last but not least for fans of Retro PS1 alien action

http://thesandystamper.com/hiveseeker/