Those last two aren't new - not if you've subscribed to 18OnlyGirls, where they've been up as long as all the others.
There are one or two sets we've got preview galleries of which aren't inside the paysite, though, and I don't know where to find the full set. Namely this one:
And this one:
Do let me know if you find what site has got these sets because they're not inside 18OnlyGirls.