I doubt that you will see these pictures in the game.So will we get to see those pictures in-game, I would love to see Emma in that dress or that one of Kaylah.
They are pinups.
DB wrote in a post which Raminita brought here, that he didn't include spoilers in the pictures.
https://f95zone.to/threads/hillside-v0-8-darkblue.52621/page-239#post-5601363