Just to not forget, add a solution to the shadows/graphics glitching like butt on Nvidia and see if there's any solution for the transparency issues due to the new driver updates, apparently only a rollback can fix that. Decals apparently are buggy and may also cause the game to crash?
Topic on Talk:Just Cause 2
A common workaround for drivers rollback is coping dlls from the old drivers folder to the game executable folder.
Besides, with nvidia cards, inspector might be a wonderful resource