In my experience, most embarrassing photos of people are posted by their friends, in jest, not malice. I'm not sure if you can get photos of yourself deleted from another account, but you should be able to make it so you can't get tagged in a specific photo and don't show up in your, "Photos of Me" bit.
Although since Potter's wording suggests she put them up herself, I'm not sure. Maybe there was a bunch of embarassing photos of her friends as well so her choice was put them all up, put all but hers up which isn't really fair or depending on the ratio of let's say, "flattering" to "not flattering", could involve filtering a lot of photos or enough that it's noticable and she just went for the easiest option.
I really like this strip and Jeph's explanation. It's neat to peak into his mind a little and see him think about the strip. Not to say he doesn't, we just don't get an in-depth glance of it.
Her face in panels 4 and 5 looks exactly the same to me, which gives the impression of her staring blankly (also, those lips are disturbing.) Otherwise, the art is great in this one.
They don't look the same to me. Check the eyebrows. She seems to be going from intense and aggravated in 2b to easing up and coming across with a sincere appeal for an apology in 3a. It can be easier to get an apology when your brows aren't angrily furrowed.
Also it may just be the monitor in college, but the colours seems less contrasting in 3a. No wait, I'm just short and the monitor was too high.