I am not sure if it qualifies but I created a fun contest in which you can win upvotes + have your article sent to the promoted section or a picture of a dirty sock ....

Pick Your Prize [Steemits First Ever Game Show]
https://steemit.com/newbiegames/@rentmoney/pick-your-prize-steemits-first-ever-game-show

Will you pick the gntd upvote or will you trade it in for Door number 1 or Door Number 2. Careful ... one of those doors contains a dirty sock !