Presenting the latest innovation from Heyuri Applicable Research & Development: Wayback Auto Downloader ヽ(´ー｀)ノ

Get Tampermonkey if you don't already have and add this to your scripts:
https://up.heyuri.net/src/4207.js

Go to any old site with many images of your preference. For example, take Futaba's self-created art board's /src/: https://web.archive.org/web/*/http://zip.2chan.net/11/src/*

Read the instructions
Enjoy

It sux that I couldn't automate it further, wayback has weird ajax stuff...