@dylan You would probably be really interested in this post:
https://forums.fogproject.org/topic/8906/to-sysprep-or-not-that-is-the-question
Though, I haven’t used FOG at work for about 2 years now. I use it at home to create images of my Linux systems - and I do a lot of automated testing with fog. But I’m not doing much imaging anymore as I have no reason to do so.