Sibling Subtraction's new cover

So we've decided to go with this for Shiver and Fears Sibling Subtraction cover. What do you think? So for those of you who don't know the story Sibling Subtraction, it's a story about a girl and her friends who all have a little sibling. Well, they play a mean prank on them leaving the young siblings in a cave they rumored was haunted. (how original, huh?)
 One girl has twin brother's and as she planned to go through with the plan, she decides it's a bad idea and turns back. Now, what happens next? You have to read it! You can buy it here ← (yes, click it!)
The cover idea comes from a boy who drew this↴

 It's a picture of the twin brothers. (One is actually a ghost) We changed it just a little: Our entree artist made them both seem mad, well there's only one ghost brother so we gave the other brother something to be afraid about. We hope this cover fits well with the story, tell us what you think of it