Free images results:

Fright pictures, stock photos and images


Skull Stock Images
Author: Webking
Skelaton Stock Photography
Author: Aaheath

Also, here are some commercial RF-licensed images that match your search criteria:  
Fright Royalty Free Stock Image
Author: Yanlev

Explore more commercial options: More Fright Stock Illustrations & Vectors | More Fright Stock Video Footage