You can rate entries by clicking on the smiley icons next to them. Each icon corresponds with a rating. These ratings are immediately visible to the creatives and help them better understand your preferences. Based upon these ratings, the creatives submit even more entries that are closer to what you are looking for. Also, you may provide feedback or private messages to entries that you want tweaked or improved. You can read more of the tips on how to improve contest participation.
You can greatly improve the outcome of you contest by following these simple guidelines:
Rate Early and Often: Start rating the entries as early as possible, so that the contestants can adjust their direction based upon your feedback.