He returned to BBC Radio 4 in May 2006 after several months away producing trailers full-time.
Fox had previously produced similar trailers for "Entrada", "Marionette", and "Bloodline", three episodes from earlier in the season.
Westfalia-Werke also converted non-Volkswagen vans, and produced trailers and other products, but they were best known for their Volkswagen camper conversions.
He and Sproxton founded Aardman as a low-budget backyard studio, producing shorts and trailers for publicity.
His first job after graduation was as a driver for a film company; and a few years later, he started his own company to produce trailers.
It produced agricultural equipment, trailers and clutches.
Black Fire Productions has produced numerous trailers and promos for outside sources.
HBO implemented an outdoor marketing campaign in major cities and produced movie-style trailers which preceded a number of films in cinemas.
Motoemil was a Greek truck manufacturer based in Thessaloniki (now producing trailers under the name Emilios Trailers).