I figured most of it out, I think. Somehow all my RSS to Post settings had literally every check box enabled, so you can see how this would make every post sticky and not allow images. I changed all the RSS to Post parameters back to the correct settings for my site, and edited 39 individual posts from the last 3 days. It has helped, and images for some posts are back.
Any idea as to why this would happen? The only thing I can think of was a WordPress update to 5.82.?
Still have a problem with having to run the feeds manually.