(at around 1 min) When Bud takes his aspirin, the water cooler is empty.
(at around 52 mins) When Jesse has Catfish against the truck, you can see the adhesive holding on Jesse's fake mustache during the closeup.
The record player used by Bud to play albums is set to 45 rpm. LP albums are played at the 33 rpm speed on record players.
When the obituary page is on screen, the two obits shown indicate the people were in Baton Rouge; but the surrounding obits mention locations in California.
While investigating Morris's body in the trunk of car, the detective identifies him to Carter as Daniel Morris and then hands Carter a business card showing the name Daniel J. Kiersey.
When the cops conduct a raid on Jesse's house and Bud searches through the kitchen freezer, a box of frozen Pepperidge Farm Garlic flavored Texas Toast sits in the freezer door. Pepperidge Farm didn't introduce its Texas Toast line until the 1990's, despite the film taking place in 1983.