It is nearly impossible for people to not know of PornHub. One of their rather underrated sections is the albums section. While people are used to simply watching videos, PornHub albums section hosts a plethora of image collections across all types of genre, niches, categories, etc. As is the case with videos, you can search through them by all kinds of different tags and select or deselect certain categories so you can, for example, only look at Solo Female or Straight Sex albums. Thumbnails give you a one pic preview and a number of photos so just click and enjoy.