Fearthecuteness
Oh hai mark
I've just got home and read the answers... and all I have to say is ARRRRRRRRGGGGGGGHHHHHHHHHHHH I WAS SO CLOSE WITH SOME OF THEM! :'(
Specifically 4, 6, 13, 14 and 23! I'd looked in the right places for 4, 6 and 13 but somehow missed them, 14 I thought about but then thought nah it wouldn't be that!! And 23 I was totally on the right track (pun intended) but just couldn't get the right answer.
Me and someone else are convinced 13 wasn't even visible for us. Maybe it was the same for you.