Hello everyone, I was looking for a fast way of finishing the full roles for the pumpink smasher task, and I found one by myself.
With this path done in loop (obviously it's better working if noone is inside the Abington) you could destroy all the pumpkins required in just an hour, doing 18 pumpkins per minute.
https://www.mediafire.com/file/9n28x826s4n7r76/pumpkin_smasher.mp4/file
I don't know if someone have a better walktrough but I hope you'll find it useful :)