Ha! I thought it was a great pic too, and the navy trousers didn't even register with me as I suppose my eye was drawn to the more bold unconventional teal colour of the jacket. Anyway I am one of those in agreement with you, that in the right outfit there is definitely a place for navy trousers. And odd grey jackets. The loose SF consensus around the prejudice against navy trou is bollocks IMO, and here is exhibit A m'lurd!