justingray on "Images turning up bad requests"

These links are turning up errors.

http://gehs.net/wp-content/themes/guardian/images/arrows.png

http://gehs.net/wp-content/themes/guardian/images/cellshade.png

Any idea on how i can resolve this? I cannot find references to the above png files in any of the theme templates. And the images are not in my media on WP.