How to replace Home Section 1's background image with Backstretch slideshow in Parallax Pro. http://sridharkatakam.com/replace-home-section-1s-background-image-backstretch-slideshow-parallax-pro/

backstretch-init.js

jQuery(document).ready(function($) {

	// Create an array of images that you'd like to use
	var images = [
		'http://websitesetuppro.com/demos/parallax-pro-copy/wp-content/themes/parallax-pro/images/bg-1.jpg',
		'http://websitesetuppro.com/demos/parallax-pro-copy/wp-content/themes/parallax-pro/images/bg-3.jpg',
		'http://websitesetuppro.com/demos/parallax-pro-copy/wp-content/themes/parallax-pro/images/bg-5.jpg'
	];

	$('.home-section-1').backstretch(images, {
		fade: 750,
		duration: 4000
	});

});

customize.php

$images = apply_filters( 'parallax_images', array( '1', '3', '5' ) );

front-page.php

if ( is_active_sidebar( 'home-section-1' ) ) {
		add_action( 'wp_enqueue_scripts', 'sk_enqueue_backstretch' );
		function sk_enqueue_backstretch() {

			wp_enqueue_script( 'backstretch', get_bloginfo( 'stylesheet_directory' ) . '/js/jquery.backstretch.min.js', array( 'jquery' ), '', true );
			wp_enqueue_script( 'backstretch-init',  get_stylesheet_directory_uri() . '/js/backstretch-init.js', array( 'backstretch' ), '1.0.0', true );

		}
	}

gistfile1.php

$images = apply_filters( 'parallax_images', array( '3', '5' ) );

gistfile2.php

$opts = apply_filters( 'parallax_images', array( '3', '5' ) );

output.php

$opts = apply_filters( 'parallax_images', array( '1', '3', '5' ) );