Silent install

I want silent (with GPO) isntall LibreOffice 3.5.3 in:
-czech language and czech dictionary (optional change to english)
-only writer, cacl and impress
-with association MSO extensions

Can anybody tell me, how can i do it in msi with mst (transformation)???

I worked on it more than 20 hours, and my transformation do all of my requests, but only in Windows 7 - in windows XP LO associated only libreoffice externsions, not MSO.

Please, help me, I’m VERY frustrating with it.
Rob

That might help: http://lodahl.blogspot.co.at/2011/11/silent-installation-following-up.html