Automatic image downloader

A year ago or so, I had this program (for windows) which would run and prowl 4chan and download every single image it could come across - I can't remember if it checked the hash of each file so there weren't dupes. Maybe it did, maybe it didn't.

So every morning when I woke up I checked the folder and it had downloaded tons of pictures.

Can anyone remember the name of that application?

bamp