Mostly, I wanted to capture the matching concept of the book, but portray it as disturbing rather than romantic. I also wanted to keep the color green on the cover somehow, because that was the color Cassia chose for her dress in the book. I am not super happy with my recreation, but am tired and need to go to bed. So, I'll probably dream of much better covers all night long. Oh well.
Here is my rushed recreation:
Feel free to share a link to your covers! I'd love to see some more ideas.