GTSpirit posted a collection of great photos from Spa this weekend, including some of two P1s that were there!
http://www.gtspirit.com/2014/04/25/mclaren-track-day-at-spa-francorchamps/
Images
Volcano Orange P1 seen in London
As always, we’re amazed at how much it stands out compared to everything else on the road
http://www.autogespot.com/mclaren-p1/2014/04/17
Volcano Yellow P1 seen in London
A number of photos after the link. It looks like a spaceship compared to all the other cars:
http://www.autogespot.com/mclaren-p1/2014/04/18