What are some of the things that happen on the trip to Belize that reminds Tully of his favorite movie, The Man Who Would Be King?

As Tully and Ix-Nay look for a replacement Jeep for Bucky, something Ix-Nay says reminds Tully of one of his favorite movies, The Man Who Would Be King. Later, as they walk across the bridge, the scene again reminds Tully of the movie. Then, they meet Sergeant Mercer, who looks just like Daniel Dravot in the movie.