Ours is when Ladytronlady is looking at a rabbit then a dog puts its through a hole and says hello.
There are plenty of potential favourite bits, though. Lots of presumably very deep symbolism. Rabbits everywhere, car tyres being held aloft, people in seats lying on the ground, a child's discarded doll and so on and on and on.
What do you reckon?
Let us know your favourite bits at the usual address.