there was a section on Grand Tours of Scotland's Lochs in Cnockers last night featuring GSG cavers. The program is on iplayer here:
http://www.bbc.co.uk/iplayer/episode/b096v0gj/grand-tours-of-scotlands-lochs-series-1-5-a-rock-and-a-hard-place
http://www.bbc.co.uk/iplayer/episode/b096v0gj/grand-tours-of-scotlands-lochs-series-1-5-a-rock-and-a-hard-place