Open Game Promo - Members contest!

Hi all,

I am developing my gaming Facebook group, to help that i came up with a contest.

Group name is: "Open Game Promo" where you can promote your games.
https://www.facebook.com/groups/800872376743850/

Add new members to the group and win the following Prizes:

First Place: Can select any two of the graphic assets! [FREE]
Second Place: Can select any one of the graphics assets! [FREE]
Assets URL: https://www.assetstore.unity3d.com/en/#!/search/page=1/sortby=popularity/query=publisher:18796

Winners whom adds the most members!

Simple rules:
* The more members you add the chance increase to win the prize.
* Minimum 5 members to enter the contest.
* Should be members with affinity to gaming (gamers, developers, promoters, etc..)
* Winner will be published at the end of the contest event.