That picture is copyrighted so you need permission from the author to make derivative works with the intent to monetize them. The fact that there is a contest in instagram doesnt justify you to post it on steemit, as you might know instagram is not monetized, you are monetizing the derivative work by posting it in steemit.

1. Here is what you were told by SteemCleaners:
   

If you insist on defying the clear instructions you were given we will contact the authors of the images you have been plagiarizing here for a long time so that DMCA take down notices are issued and your posts taken down from Steemit and the other frontends, please comply.