I don't have any pictures of King Edward VII, King George V and King George VI's Thanksgiving Services in 1903, 1911 and 1937, but I have these:
George VI, state entry into Edinburgh, 5th July 1937
Along Princes Street
Postcard celebrating their Majesties visit in 1937
George V, state entry into Edinburgh, July 1911
Along Princes Street
Royal Visit to Edinburgh in May 1903
Along Princes Street
Travelling down Abbeyhill to the Palace of Holyrood House
One of the Celebration Arches that were placed along the procession route