How to change header image / breadcrumbs background

It's all about this header image:

For Pages: If the featured image is set on a page, the main/default breadcrumbs image will be replaced.

For Posts and non-page templates: the breadcrumbs image can now be set from the theme panel -> General -> Breadcrumbs settings:

Note: This option is only available from v1.5 of the theme. If you do not have this version, please update the theme using the Envato Market Plugin.