Whilst not nearly as exotic as some of the great pictures on this thread (don't think I've ever been in a herc, never mind flown one!), I do have this shot of C.1K XV203 at Leuchars taking part in an AD exercise:
XV203 by
Al Henderson, on Flickr
Sadly, I don't have too many Ks, presumably a case of taking them for granted until they were gone
Al.