Would it be possible to get the original quality photos? If you're not sure how to do that I'd recommend checking out this thread. For me the extension in the 10th post works pretty good
https://simpcity.su/threads/fansly-downloading-a-work-in-progress.10211/
edit: For anyone else that might use that extension make sure to enable high quality media by clicking the three dots on the top right to get the full quality