Post here your ideas and tricks used for this challenge.
Know how to do a matte painting? Post it here.
Know how to do a pull a matte from video? Post it here.
Know how to fog/storm effects your favorite compositor/3d program? Post it!
Know how to do complex camera matching/ lighting set up? Post it!
Looking forward to the posts, but please try to keep it
as application agnostic as possible.