How do I put a link to a fan page on my personal Facebook profile page?
Depends where on your page you mean.
From the Publisher, will feed into your wall and your friends' news feeds
If you are associated with them you can add them as employer and it will show in the info section as well as the top of your profile page. Similarly you can add the page as
Profile pages used to have a small blurb section but this has been removed.
If you represented a next fan page, you can add the page as a favorite