super-mouse Hi
That is background image set for the breadcrumb, if you want to have different image for different menu items, you can add class suffix for that page and define the new background for it.
You go to Template Styles >> GK Creativity style >> Features tab >> add suffix for the menu item ID you want:
For example, I add a class suffix called test, then use this custom css:
.test #gkBreadcrumb {
background-image: url('path/to/your/own/background/image/here');
}