Well done Mick, I dispatched tons of Cane Toads to CT Valhalla when I lived in Brisbane, but I had a .22 BSA Super Meteor Air Rifle (still have it, actually) that I'd go spotlighting with each night. Clean, quick, and quiet.
My next door neighbours were two public service poofters who didn't like me, apparently because I was in the Army. They had a party one night that got out of hand, the noise was so bad I couldn't hear my own TV in my own lounge room.
I knocked on the front door and asked on of the poofs to turn the music down, but he abused me, so I dropped him. His husband took a swing at me, so I dropped him too. Someone called the cops, and when they arrived, everyone went home, and I got a lecture from the cops about not bashing my neighbours. Oops.
They went away for a week, so while they were away, I filled their wheelie bin under their house with dead toads. They moved out shortly afterwards and my new neighbours were great. Cheers, Terry.