The website featured called lilyandmarshallselltheirstuff.com became a genuine auction website to raise money for a children's hospital in Los Angeles.
The website www.guyforceshiswifetodressinagarbagebagforthenextthreeyears.com really exists.
The maker of the frame, Anton Kreitzer, is also the fictional name used by Norm Peterson in the Cheers episode, "The Two Faces of Norm", season 8, episode 5.