The door trim has 11mm castle nuts at all 4 corners. There are attachment braces along the bottom of the doors that come off by removing the lower castle nuts. They are also held on with push pins along the chrome strip on top. The front fender is held on by a phillips screw on the bottom, and in the wheel opening along with a couple of pins along the top. The rear quarter has phillips screws along the wheel opening and a screw or two along the bottom and in the door opening. It also has a row of pins along the top.
If you have trouble removing the phillips screws, grab the head, and point (ends) with a channel locks, and give them a good wiggling. That should break them loose so they are easy to remove with a screwdriver. /whenever I remove trim, I do this first, and have had no problem with the screws. If you do not, 90% of them will be impossible to remove, and you will strip the head of the screw.
If you are getting rid of the trim, I would not mind having it at a reasonable price.