Header

// Register Default Headers
function custom_default_headers() {

	$headers = array(
		'Header 1 Name' => array(
			'description'   => __( 'Menu Description', 'text_domain' ),
			'url'           => 'Image URL',
			'thumbnail_url' => 'Thumbnail Image URL',
		),
		'Header 2 Name' => array(
			'description'   => __( 'Menu Description', 'text_domain' ),
			'url'           => 'Image URL',
			'thumbnail_url' => 'Thumbnail Image URL',
		),
		'Header 3 Name' => array(
			'description'   => __( 'Menu Description', 'text_domain' ),
			'url'           => 'Image URL',
			'thumbnail_url' => 'Thumbnail Image URL',
		),
		'Header 4 Name' => array(
			'description'   => __( 'Menu Description', 'text_domain' ),
			'url'           => 'Image URL',
			'thumbnail_url' => 'Thumbnail Image URL',
		),
		'Header 5 Name' => array(
			'description'   => __( 'Menu Description', 'text_domain' ),
			'url'           => 'Image URL',
			'thumbnail_url' => 'Thumbnail Image URL',
		),
	);
	register_default_headers( $headers );

}
add_action( 'after_setup_theme', 'custom_default_headers' );