During the shootout at the campsite, there was a lot shooting. They all tried to hit the bank robbers. They should have shot the horses. That was a common practice during the Civil War. Take out the mules and horses to cripple the artillery.
It is a running joke. Every time Loren eats pie he says it is his favorite. It can be apple, cherry, or another flavor. It is always his favorite flavor.
The opening montage has new images of the children. The images reflect their more adult appearance.
After he is shot, Marshal Burch explains to Sully that the legend of his shooting 100 men are just stories. They are stories written by writers to sell books. This is an inside joke. Willie Nelson was often the subject of false news reports to sell magazines and trash news papers.