You cannot upload using the "Add an image to post" pictures of men that are considered adult pictures, you must find a host and post the link on here to display. Adult pictures are defined as explicit sex acts and/or those showing the penis and balls of the male. Do NOT post those.
Copyrighted images if you don't own the copyright and are not licensed to do so.
Violence, "hate speech" (i.e. demeaning race, gender, age, religious or sexual orientation, etc.), or advocacy against any individual, group, or organization.
Images that are threatening, harassing, defamatory, or that encourage violence or crime.
Any images that might be illegal in the USA or EU, such as child sexual abuse, or public exposure ("doxxing").
Adult imagery is not allowed.