Jimmy (Andy Garcia) says the line "maybe not today, maybe not tomorrow but soon..." on several occasions.
You see Lucinda watching a movie with the words "The Remains of Raymond Rakubian" on screen.
Same opening song and quite similar opening sequence when playing that song.
Andy Garcia "skins the hand" of Edward Burns at the end of the movie, the same way they did in Things to do in Denver When You're Dead
Video case is shown in a video store.
Mention of the character "Jimmy the Saint" as being killed with a particular gun.
Reference the film in the final part
In the scene where Jim Carrey is fighting with himself, Hank grabs Charlie's finger and says "Beg me or I'll break it off." Charlie's reply of "I beg I die" is taken from Things to Do in Denver When You're Dead, with Jim Carrey even imitating the tone of Andy Garcia's voice.