Yes, you can build child theme and then create functions.php file in your child theme add the following Code in your child theme functions.php file.
<?php
/**
* Header Image
*
* Uses Custom Header and Featued Images
* @Hooked in catchevolution_headercontent
* @since Catch Evolution 1.0
*/
function catchevolution_featured_header() {
global $wp_query, $post, $paged, $_wp_default_headers;
// Header Image
$header_image_path = get_header_image();
if ( get_header_image() ) : ?>
<div id="header-image">
<img src="<?php header_image(); ?>" width="<?php echo get_custom_header()->width; ?>" height="<?php echo get_custom_header()->height; ?>" alt="" />
</div>
<?php endif;
}
.
