<div id="primary" class="content-area">
    <div id="content" class="site-content" role="main">

    <div class="home-header-image">

    <?php IMAGE WILL GO HERE ?>

    </div>

    <div class="top_items_container">
        <?php if (!function_exists('dynamic_sidebar') || !dynamic_sidebar('Home Top Content')) :

endif; ?>
    </div><!-- .top_items_container -->

                <div class="entry-content">
                    <?php the_content(); ?>
                    <?php wp_link_pages( array( 'before' => '<div class="page-links"><span class="page-links-title">' . __( 'Pages:', 'twentythirteen' ) . '</span>', 'after' => '</div>', 'link_before' => '<span>', 'link_after' => '</span>' ) ); ?>
                </div><!-- .entry-content -->

                <footer class="entry-meta">
                    <?php edit_post_link( __( 'Edit', 'twentythirteen' ), '<span class="edit-link">', '</span>' ); ?>
                </footer><!-- .entry-meta -->
            </article><!-- #post -->

            <?php comments_template(); ?>

    </div><!-- #content -->
</div><!-- #primary -->

wp_get_attachment_image( $post_thumbnail_id, $size, $icon, $attr );

wp_get_attachment_image_src( $attachment_id, $size = 'thumbnail', $icon = false )

$attachmentArray = wp_get_attachment_image_src( $attachment_id, 'thumbnail', false );

FALSE !== $attachmentArray
    AND print $attachmentArray['url'];

<?php $pages = get_pages(array('child_of' => 1)); ?>
<ul>
    <?php foreach ($pages as $page): ?>
        <li>
            <?php echo get_the_post_thumbnail($page->ID, 'thumbnail'); ?>
            <h1><?php echo $page->post_title; ?></h1>
            <?php echo $page->post_content; ?>
        </li>
    <?php endforeach; ?>
</ul>

// global $post; // maybe but probably not
echo get_the_post_thumbnail($post->ID);