Baby's place of employment is a BBQ joint named Louie Mueller BBQ in Taylor Texas. Known as one of the best BBQ places in Texas it was featured on the Food Network's Diners, Dive-in's and Dives.
When Earl, Jimbo, Tink, and Junior pull up in front of the Mexican's house, Tink lights a cigarette, then you see Earl grab an unlit cigarette from his mouth and says "you know there's no smoking in Jimbos car".
In the scene where Tinker takes Earl and Baby to the bowling alley to pick up the money, the length of the cigarette in his mouth changes form short to long.