You can put it at top near your logo and left or right side of your website template.. You can add it to inside post.
When a person signs up for any affiliate opportunity they would be well served to read the TOS and HELP files. Why would you rely on other people to tell you what to do. They probably have no idea because they probably didn't read the HELP files either. If you want to make money then you are going about it the wrong way.