Here you go - just the vehicle - the Bedford Dormobile.
I found this on Ebay today - just needs a lick of paint. (Click the picture to make it larger)
Or if you wanted to be really flash you could buy one of these - The Ford Thames Minibus
But don't be surprised if the rear springs need replacing.
Ask Colin the Orchestra.
The Del 5 had one - it was only in Black and white though - they couldn't afford a colour one
We had one of these. It was all we could afford 'cos we were crap.
£28 it cost. Heh! Heh!
We eventually abandoned it on the A1 when it conked out - again.