Both!
is the (far superior) original that promotes the Ffestiniog & Welsh Highland Railways. Around a year ago the F&WHR general manager, Paul Lewin, paid one of his frequent visits to Launceston and proudly showed everyone a copy of the video. His error came when he suggested that something similar should be made for Launceston - when Paul next visited (with the L&B replica 'Lyd') the video 'Shortliner' linked to was playing on a loop in the museum...
Incidentally there are a number of videos now available on the LSR Youtube Channel which may prove inspirational for modellers.
Charlie
LSR webmaster/tea drinker