Yes, correct on all counts. I am sure (but it may have been an urban myth) that an enterprising Matlockite was selling guided tours of DMS shooting locations at one time.
Not followed the other two but agree re PC - watch the 'Director's Commentary' for DMS and Paddy and Shane just come over as two normal blokes (who happen to be top notch at what they do)
As a matter of interest, does anyone else here bother to watch Directors Commentaries? - I find them interesting, and the best of them fascinating