Well she wanted them seen (and paid for) by as many people who didn't know her as possible. It is not at all clear whether she wanted the photos to be seen by those she did know--although of course she did take that risk.
That's the risk you run posting pictures of yourself online, is it not?
If you really want to subscribe but you have certain moral issues about seeing them without her permission. I would say asking her would be the first place to start and then live by her choice. Or you could just subscribe, look at them and never tell her . . . :dunno:. It's your choice.