How do I run a successful design contest?

Its very easy to run a successful design contest on Designhill. All you have to do is the following:

1. Give constant feedback to individual designs/designers whom you like, through comments, thus, encouraging them to create better designs according to your feedback.
2. Give 4 or 5 star ratings on the designs that you like thus, encouraging those designers to create new designs.
3. Eliminiate the designs/designers you don't like at all, thus, encouraging new designers to participate
4. Editing your design brief by making it more precise and simpler.
5. Making the contest guaranteed which encourages many top designers to participate as they are assured of a payout.