Now as I come back to the application she has recalled ALL messages and pictures that I didn't "like".
Not sure what to do about this. She is obviously pissed that I am not interacting with her...
Who cares if she's pi$$ed Mr. Nice Guy? Not you! You don't engage with elementary school age behavior from her. Perhaps in the future you should not initiate contact, asking if there is anything you need to know about the kids.......since she has no adult measuring device and therefore can't understand the question. Besides, if there is something you should know, she'll be sure to let you know it.
I don't remember whose post I wrote it on, but I've expressed why WW's are so eager to send photos of the children when they are on the mother's time. It is to keep you emotionally attached to her. Notice how the pictures were all about how happy the kids were doing in her new place. It nothing but manipulating your feelings. Rubbing the salt into your eyes.
If she refers anymore about the ones you didn't mark as "like", I'd be tempted to tell her to grow up. However, don't bother. There is no winning with someone like her.
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!