This is so cool! I really like the character's laid-back pose and mischievous expression. And I love the concept of the scenery with that big, imposing structure up on a butte behind the trees. Good job detailing the wrappings on the character. The way the eyes share the colors of the sky and the pumpkins is a great touch, too, because it makes the colors look so balanced to me.
All in all, this has such a lovely Halloween mood to it.