PiXhost will host images for you at no cost. More specifically, it will host adult images for you. Many hosting sites forbid porn and you risk being kicked off the platform if discovered, but pixhost.to gives you permission. Simply select whether the content is XXX when you submit your upload.
If you spend time in adult entertainment forums, you likely see people posting images of nudity and debauchery to discuss with others. Many of those people are likely using PiXhost to be able to share those pictures with you. In addition to single image files, you can also create galleries.
You will need a username and password, and then you can choose whether to count the number of views or not. Image size is capped at 10MB and the supported formats are gif, png, and jpg. Simply add your files into the upload queue and click on the start button. Once uploaded, a link will be generated for you and you can start sharing your images.
PiXhost provides a free service that porn fans around the world are using. If you are looking for an image hosting site, you should look into this one.