you can't just restore the images, as every computer in a domain needs a unique hostname and a unique SID (security ID). Ghost offers tools to change the hostname and the SID after you have written the image. However, you need some schema how to name your computers.
Ghost itself provides some tools for this, but there is an open source alternative, which is quite good at this:
http://drbl-winroll.sourceforge.net/Cheers
Kurt