how to set ghost view of an assembly

Hi,

Try taking a look at the speedpak part of the help files:

http://help.solidworks.com/2010/english/SolidWorks/sldworks/AllContent/SolidWorks/Core/Assemblies/c_SpeedPak_OH.htm?id=d5e5253f34fc4e4fb1b29de62ed9dd06#Pg0

Good luck.

OR convert the assembly into a virtual component