Here are a few links to flesh oot the tartan used.

Kilts used in film still around:

http://archive.thisiswiltshire.co.uk...13/259111.html

Discussion concerning the tartan used:

http://forums.bobdunsire.com/forums/.../t-111686.html

And finally a quote from one of the posters:

02-02-2010, 07:31 AM
I have a piece of the cloth. Mr Kenny Dalgliesh of DC Dalgliesh in Selkirk took one look and said "Brown Scott' The expert has spoken.
The kilts were made by a kilt maker on Forth St, Edinburgh and as you can see on the movie they have civvy buckles!
Rob