Funniest Part/Dialogue!
For me, visually it was Jim trussed up in two potato sacks asking "Do you think we can have eye holes?"!!!
Also when he was talking to Hilda about the Hiroshima blast, something along the lines of
"Apparently they were only burnt where there was no white bits [clothing]"
Hilda: "Yes dear, but they were Japanese" LOL
When watching the ballet it was more parrot hammocks than budgie smugglers