8 card sets (masturbating, sleeping, pajamas, gamer girl, roleplay, portraits)
104 backgrounds
416 card backs (use the same images as card sets)
52 pictures to use in UI pop-ups and similar
416 images are available for custom minigames. Make sure to set field tiling to roughly match the image proportions, to avoid cropping important detail (face, pussy).
EDIT 2024.08.03: +2 card sets (lesbians, pajamas square), more of other content as well.