Contests should be as much about entertainment as the incentive. You can have it all if you can attract highly reactive ratings respondents with the prize and engage non-prize players (listeners) with the content. Finding a unique way to give away prizes is a bridge to accomplish both objectives. Your primary goal should always be to entertain. The prizes and contests are merely tools. If the reward (prize) is also desirable, and you put your personality into the story, you have it all! Here’s a case study demonstrating a unique way to give away prizes.
Contest Example: A Unique Way To Give Away Prizes