Door Gaskets that have collapsed can be stuffed with caulk saver cord to eliminate wind noise & door rattles. This is MUCH easier to do with the gasket off the truck. Larger foam will fit, but this is sufficient, and fairly easy to install.
Any leftovers can be used in the doors:
Immediately after this, the doors should be fully aligned to prevent further damage to the seals.
http://www.fourdoorbronco.com/board/showthread.php?6884-Door-Alignment