What I like to do when I find stock photos is try to find better versions of the stock photos on other sites. Some sites have better free versions to download than others. In my experience, photos from Getty Images are the largest, clearest and easiest to download. What I do is reverse image search either through Google Images or
https://tineye.com/. I'll make a post in the other forum about these sites if I haven't already.
here's an album with just some that I've found from your post as an example.
https://imgur.com/a/hjwcUGx