Why did I not know about http://remove.bg - the online thing that removes backgrounds from photos? THIS CHANGES EVERYTHING (thanks @skepticCanary)
This is the best one yet. Drop it onto a pic of a flat-roof pub and you’re sorted.
“Leave him Tony, he’s had enough”
“Leave him Tony, he’s had enough”
Something’s gone wrong there, it’s just a couple of fish hovering in mid-air.