Greasy Fork is available in English.
Automatic image downloader for Bing Copilot Image Creator.
Leave a browser tab open on https://www.bing.com/images/create/-/1234?autosavetimer=45 (or whatever page which includes the "Recent" tab) and it'll periodically poll the recent creations list to download any new images you've created.
It's not recommended to use the tab while it's working, and the periodic refreshing might make it slightly annoying. It's better to open a new tab and disable the plugin in that tab.
The names of the files aren't great, but they capture the magic codes needed to trace back to the original page where they were hosted. The current version also adds a couple of menu items to download a log of all the images and prompts it's seen go by, and to sweep away any records over a month old because they're probably just wasting space.
Since I don't know javascript I just started out by copying somebody's Midjourney downloader and then hacking at it with pieces of code I found on stackoverflow.
If somebody wants to take ownership and clean it up, that'd be great! Let me know if you do that so I don't have to keep fumbling about with my crappy version.