How to insert image under the featured image

Hi, am new to PHP and i dont know to insert image under this featured image, if anyone can help please.

link for the post: https://onlineeee.com/cinderella-full-movie-2015/

I need to insert the image (https://onlineeee.com/wp-content/uploads/2015/06/download-movie-button.png) under the featured image as shown in this link: https://imgur.com/GW2LujW

Here is the code for singlepost.php

<?php
/**
* Template for single post pages
*
* @since BlogCentral 1.0.0
*
* @package BlogCentral
* @subpackage single.php
*/

// Display the header and call wp_head().
get_header();

/**
* If option is set to override the post landing page options, then use options set for
* single post page.
*/
if ( isset( $blogcentral_opts[‘posts_single’][‘override_landing’] ) ) {
$posts_opts = $blogcentral_opts[‘posts_single’];
} else {
$posts_opts = $blogcentral_opts[‘posts_landing’];
}

// Is a single post, so cols will not be more than 1.
$posts_opts[‘cols’] = ‘1’;

// If using post landing page options, do not use its title or tagline for single post pages.
$posts_opts[‘title_text’] = ”;
$posts_opts[‘tagline_text’] = ”;

// Get saved theme options.
$posts_general = isset( $blogcentral_opts[‘posts_general’] ) ? $blogcentral_opts[‘posts_general’] : array();
$blogcentral_layout_opts = array_merge( (array)$posts_opts, (array)$posts_general );

// Call function to construct the common <div> wrapper.
$blogcentral_wrapper = blogcentral_common_template_wrapper( $blogcentral_layout_opts );

/**
* Template that constructs and outputs the beginning

tag for the post items list with all necessary
* attributes in the $blogcentral_header variable.
*/
include( locate_template( ‘/templates/layout-wrapper-begin.php’, false, false ) );

// Dynamic style for main area.
$main_style = ”;
$main_class = ”;

if ( empty( $blogcentral_opts[‘show_sidebar’] ) ) {
$main_style = ‘ style=”width:100%;” ‘;
$main_class = ‘ class=”no-sidebar”‘;
} else {
$main_class = ‘ class=”show-sidebar”‘;
}

if ( isset( $blogcentral_opts[‘show_color_chooser’] ) ) {
// Display the dynamic color chooser.
blogcentral_output_color_chooser();
}

if ( have_posts() ) {
the_post();

// Rewind the posts
rewind_posts();

$page_header_title = get_the_title();
} else {
$page_header_title = __( ‘Single Blog Page’, BLOGCENTRAL_TXT_DOMAIN );
}

// Output the precontent area.
blogcentral_output_precontent_frag( $blogcentral_opts, $page_header_title );
?>
<div id=”main-content”<?php echo $main_class;?>>
<div<?php echo $main_style; ?> id=”main-area”>
<div class=”gutter”>
<?php if ( ! isset( $blogcentral_opts[“page_header”] ) ) : ?>
<header class=”page-header”>
<h1 class=”page-title”><?php echo $page_header_title; ?></h1>
</header>
<?php endif; ?>
<?php
if( have_posts() ) {
// Reset variables
$blogcentral_img_wrap_class = ”;
$blogcentral_media_wrap_style = “style='”;
$blogcentral_meta_wrap_class = ”;
$blogcentral_meta_wrap_style = “style='”;
$blogcentral_extra_li_class = ”;
$extra_li_attrs = ”;
$blogcentral_media = ”;

echo ‘<div id=”main-posts-cont”>’;
// Output the wrapping <div> and beginning

tags, with necessary attributes.
echo $blogcentral_wrapper[0];
echo $blogcentral_header;

the_post();

// Get post meta
$post_id = $wp_query->post->ID;

$blogcentral_post_meta = ”;
global $fourbzcore_plugin;

if ( isset( $fourbzcore_plugin ) && method_exists( $fourbzcore_plugin, ‘get_post_meta’ ) ) {
$blogcentral_post_meta = $fourbzcore_plugin->get_post_meta( $post_id );
}

$blogcentral_post_opts = array_merge( $blogcentral_layout_opts, (array)$blogcentral_post_meta );

$format = get_post_format();
if ( $format && ‘status’ !== $format && ‘chat’ !== $format && ‘aside’ !== $format ) {
$format = ‘-‘ . $format;
} else {
$format = ”;
}

// Html fragments for classes and styles to be added to each post item.
$blogcentral_post_opts = blogcentral_construct_inner_classes_styles( $blogcentral_post_opts );

// Is a single post, so need to show all post information.
$blogcentral_layout_opts[‘show_title’] = false;
$blogcentral_layout_opts[‘show_content’] = $blogcentral_layout_opts[‘show_author’] =
$blogcentral_layout_opts[‘show_date’] = $blogcentral_layout_opts[‘show_categories’] =
$blogcentral_layout_opts[‘show_tags’] = $blogcentral_layout_opts[‘show_social’] =
$blogcentral_layout_opts[‘show_stats’] = $blogcentral_layout_opts[‘show_icons’] = true;

// Get the default featured image if has one.
$blogcentral_thumb = ”;

if ( has_post_thumbnail() ) :
$blogcentral_thumb = get_the_post_thumbnail( $post_id, ‘full’ );
endif;

/**
* Template for post format content.
*/
include( locate_template( ‘content’ . $format . ‘.php’, false, false ) );

// Output matching ending tags for the <div> wrapper and

tags
echo $blogcentral_ender . $blogcentral_wrapper[1];
?>
</div><!– End #main-posts-cont –>
<?php

// Display author bio and contact information, if provided.
if ( get_the_author_meta( ‘description’ ) ) {
get_template_part( ‘author-bio’ );
}

if ( is_active_sidebar( ‘single-post-after-widget’ ) ) {
echo ‘<div id=”single-post-after-widget”>’;
dynamic_sidebar( ‘single-post-after-widget’ );
echo ‘</div>’;
}// End if dynamic sidebar.

// Display comments.
comments_template( ”, true );

// Output posts navigation.
blogcentral_post_nav();
} //End if have_posts()
?>

</div><!– End .gutter –>
</div><!– End #main-area –><?php //no space here or will break layout ?><?php

if ( isset( $blogcentral_opts[‘show_sidebar’] ) ) {
get_sidebar();
}

get_footer();