Related Clues:

• Excerpt from film 'Travelling Home'
• Better half's about to complain in caravan
• Beginning to tire with one who mocks promotional film
• Advertisement for a mobile home
• Advertisement that's attached to back of vehicle
• Film preview of towed vehicle
• One may begin with "In a world ... "
• Vehicle in on-screen advertisement
• Rear section of lorry
• Promotional material in back of lorry?
• It's pulled by a vehicle
• One behind attempt to entice cinemagoers
• Cart found behind tower
• Someone lagging in race for promotion
• Part of articulated lorry lit – rear, possibly