I wondered about Making Money when I started reading it. It seemed not to flow very well. BUT, it got progressively funnier until the bit when the Dog, accompanied by the "implement" desperately proposing marriage to Sgt. Angua as she perched precariously on the bronze urn.
The mental image of his jumping was too much for my brain. I could Not stop laughing.
Aha! So, Bob's yer uncle... very clever.