I'm currently working on a Sullust map and need to add a hangar to it. I have decided to use an Imperial Star Destroyer hangar but i have no idea how i would give it a ceiling and imbed it in the side of a hill. Any help will be appreciated.

The star destroyer hanger has a ceiling, no? As for adding it to a hillside, you'll need to add a terrain cutter to the model.

https://sites.google.com/site/swbf2modt ... NG-objects

Basically you would want a square terrain cutter in the mouth of the hanger. A great example from the stock assets is geo_bldg_hanger_outside.

Edit: I actually just stumbled across exactly what you're looking for:

http://www.gametoast.com/viewtopic.php? ... or#p229071

This asset pack has a ton of great stuff, but geo_prop_hanger_ground already has a terrain cutter and everything.

Thanks! Really appreciate it