I Bought a Vampire Motorcycle
(1990, Neil Morrisey, Michael Elphick, Anthony Daniels)
Bizarre British horror flick brings together Bob the Builder and C3P0 from Star Wars. Elphick and Morrissey, along with 'Boon' co-star David Daker made this concurrently with 'Boon' and also in and around Birmingham. 1966 Leyland Atlantean PDR1/2 with Alexander body, CRN869D, new as Ribble 1869, appears, albeit without fleetnames:
This being Birmingham, four West Midlands MCW Metrobuses pass outside during an office scene: