why not just buy a brand new ABS plastic headliner with what ever color material you want on it for $129 from dixiemonte carlo or g-body parts. its alot easier than removing your old one and getting it redone or trying to do the crappy old car style suspend bow thingy.
http://www.dixiemontecarlodepot.com/items/DM01118.html
http://www.dixiemontecarlodepot.com/items/DM01118.html