I mentioned to Bryan that there seems to be no real pattern to what's going on. He said, "If the issue is with photos hosted elsewhere there’s probably nothing we can do about it unfortunately- that would likely be a server/sharing issue with the host site."
That would make sense if the problem were consistent. Change in my pic's hosting site (google) would seemingly cause all pics to have the same problem, if the problem were the host site. But his is not true. Some pics do appear just fine. Nor does that seem to explain why some see them with one device and later not (always on another device?), and vice versa. Had the two from some other site worked and mine didn't, that would make sense. I don't blame him for not knowing for sure. I understand he just has to go on what he sees and is probable.
Another from my cloud site...