These are what I think are useful links.  I would be more than happy to add to the list.

http://trigpointing.uk/

https://www.ordnancesurvey.co.uk/gps/legacy-control-information/triangulation-stations

http://lonewalker.net/trigtable.php

http://www.scottishhillracing.co.uk/

www.scottishhillrunners.uk/

http://www.arranwildwalks.co.uk/

https://en.wikipedia.org/wiki/Triangulation_station#United_Kingdom

https://www.calmac.co.uk/

Arran Webcams:

http://www.arranbanner.co.uk/arran-banner-webcam

http://arranaccommodationguide.com/arran-webcam/

https://www.soundofpladda.com/

For what it's worth:

If you like podcasts and videos, here's mine.  Not particularly professional but at least I try :)

Amazon Podcasts:  https://www.amazon.co.uk/ITEM_NAME/dp/B09TYLSDTY/ref=sr_1_1?crid=VAIDA262G1JD&keywords=THE+ALEXINSCOTLAND%27S+PODCAST&qid=1647175653&sprefix=the+alexinscotland+s+podcast%2Caps%2C61&sr=8-1 

Or - My podcasts:  https://alexinscotland.podbean.com/

YouTube Videos:  https://www.youtube.com/user/ALEXMDRAIN