The fat phone sex lady living in the camper is identical to the Highland High School bus driver, though it is never established if the two are supposed to be the same character.
In the phone sex lady's camper, a man wearing nothing but sunglasses, pink underwear, and a cap can be seen. This character could very well be a prototype for Dale Gribble, a character on Mike Judge's next show, King of the Hill (1997).
Has been released on the 'Chicks N' stuff' VHS tape, the time life DVD re-release and The Mike Judge Collection Vol. 1.