There is a series of official photos that has been made available on Flickr of the liturgical events surrounding today's installation of a new Archbishop of Westminster -- and thanks to reader JW for pointing it out. I suspect we shall soon see photos there from today's Mass, but the first set is from the
Solemn Vespers before the Installation of Archbishop Vincent Nichols.
Here is a small selection (click to enlarge):
(Do take note of the beautiful frontal)