Needing Alien, Spaceship of Space Jockeys and other stuff from Alien Isolation for Source filmmaker

Please, it has a lot kind of usefull stuff for making posters and videos on space horror theme in Source filmmaker

[editline]28th February 2015[/editline]

There was a fellow who ported it for XNA Lara but I dont have a knowledge for porting it at Source engine - model of Alien for XNA LARA