PictureMate is a chrome browser extension that lets you mine for hidden Facebook photos on most any profile, including yours.
1) Go to a Facebook user's profile (You don't need to be friends)
2) Click on PIctureMate's icon - and voila!
How does this work:
PictureMate finds the user’s Facebook ID via graph search, and through another graph search, it finds all tagged photos (uploaded by other people) of anyone. Even if the user has set his privacy settings to not show any photos.