A recent talk I gave to the Scottish Society for Northern Studies on Earl Harald of Orkney and "12th-century Scoto-Orcadian relations" has been put on YouTube. Includes a new theory about the origins of Harald's branch of the Scottish royal dynasty:
www.youtube.com/watch?v=FIDR...
youtube.com
SSNS Seminar - Scoto Orcadian Relations in the Twelfth century, Dr Neil McGuigan
YouTube video by Scottish Society for Northern Studies