how do i remove trim and front windshield?

THIS I think is very informative. It shows converting a 67 Valiant to the 68/ later style gasket and trim clips

http://www.moparmusclemagazine.com/...mouth_valiant_windshield_install/viewall.html

and this here thread

http://www.forabodiesonly.com/mopar/showthread.php?t=92988&highlight=Windsheild