Custom Attachment Page for images

<?php get_header(); ?>

<section class="content">

    <?php get_template_part('inc/page-title'); ?>

    <div class="pad group">

        <?php while ( have_posts() ): the_post(); ?>
            <article <?php post_class(); ?>>
                <div class="post-inner group">

<?php echo wp_get_attachment_image( get_the_ID(), 'large' ); ?>

<h1 class="post-title"><?php the_title(); ?></h1>


<div class="entry">
    <div class="entry-inner">
        <?php the_content(); ?>

        <p class='resolutions'> Downloads:
        <?php
            $images = array();
            $image_sizes = get_intermediate_image_sizes();
            array_unshift( $image_sizes, 'full' );
            foreach( $image_sizes as $image_size ) {
                $image = wp_get_attachment_image_src( get_the_ID(), $image_size );
                $name = $image_size . ' (' . $image[1] . 'x' . $image[2] . ')';
                $images[] = '<a href="' . $image[0] . '">' . $name . '</a>';
            }

            echo implode( ' | ', $images );
        ?>
        </p>
    </div>
    <div class="clear"></div>
</div><!--/.entry-->

                </div><!--/.post-inner-->
            </article><!--/.post-->
        <?php endwhile; ?>

        <div class="clear"></div>

        <?php the_tags('<p class="post-tags"><span>'.__('Tags:','hueman').'</span> ','','</p>'); ?>

        <?php if ( ( ot_get_option( 'author-bio' ) != 'off' ) && get_the_author_meta( 'description' ) ): ?>
            <div class="author-bio">
                <div class="bio-avatar"><?php echo get_avatar(get_the_author_meta('user_email'),'128'); ?></div>
                <p class="bio-name"><?php the_author_meta('display_name'); ?></p>
                <p class="bio-desc"><?php the_author_meta('description'); ?></p>
                <div class="clear"></div>
            </div>
        <?php endif; ?>

        <?php if ( ot_get_option( 'post-nav' ) == 'content') { get_template_part('inc/post-nav'); } ?>

        <?php if ( ot_get_option( 'related-posts' ) != '1' ) { get_template_part('inc/related-posts'); } ?>

        <?php comments_template('/comments.php',true); ?>

    </div><!--/.pad-->

</section><!--/.content-->

<?php get_sidebar(); ?>

<?php get_footer(); ?>