FleetMon users can rate vessel photos. Simply sign-in, search for your vessels and pictures of interest and click ...
... for rating the photos in just one click!
Note: You cannot unvote for photos.
Further Hints:
You can only rate each photo once to guarantee that the rating system is fair.
If you want to rate your uploaded photos, this will not be counted.
Please also have a look on "How to become Photo of the Week/Month".