[Better late than never - apologies to all entrants]
This was much harder than I expected, so I've picked a runner-up as well and I'm trying to come up with a second prize of some sort.
Winner: Congratulations, Steve! Top quote, perfect image.
Runner-up: Alex's entry had staying power, I just couldn't let it slip by without recognition (and the image is so carefully chosen!).
Unless email addresses have changed, I'll be in touch with both of you about prizes shortly.
Thanks for all of the entries! I promise there won't be delays like this for the next comp...