Dr Philippa Whitford MP took the Oath of Allegiance in the House of Commons chamber on Wednesday 20th May 2015. The following images are screen shots from the Parliament Live internet feed at the time.
Some background on the use of the Scots Oath is to be found on the Scots Language Centre website.
The following is the archived video of the swearing in session on Wednesday 20th May 2015.
Dr Philippa Whitford MP is at approximately 11:42:00 on the timeline
The Hansard entry for the swearing in is here