One of the townspeople named Frank makes a reference to kidnapping the blacksmith from Army of Darkness. Timothy Patrick Quill, the actor who plays Frank, also played the blacksmith in Armee der Finsternis (1992). This joke is also used with the Dirt Farmer.
The rude man in the wheelchair was based on a real person Bruce Campbell met.
According to the DVD commentary, most of the Bruce Campbell memorabilia in Jeff's room was real, including a spare Brisco County Jr. costume that Campbell owned. A few fake items, such as a poster for "The Stoogitive," were made to fill up space.
The (fake) brand of liquor that Bruce gives his dog is Shemp's. In some Raimi/Campbell projects, body-doubles and stand-ins are called Fake Shemps, after Shemp Howard of the Three Stooges.
Bruce's dog is named "Sam 'n Rob", a reference to the director/producer pair of Sam Raimi & Rob Tapert, who have worked with Bruce Campbell on many projects, including the Evil Dead series and Xena, Warrior Princess.