ImageBand functions.php

add_image_size( 'list-thumbnail', 200, 120, true );

function dr_Get_Post_Images() {
    global $post;

    $img_args = array(
        'post_type' => 'attachment',
        'numberposts' => -1,
        'post_status' => null,
        'post_parent' => $post->ID
    );

    $attachments = get_posts( $img_args );
    if ( $attachments ) {
        $counter=0;
        echo '<div class="row">';
        foreach ( $attachments as $attachment ) {
            $counter++;
            $class = ( $counter % 3 ) ? '<div class="third">' : '<div class="third last">';
            echo $class;
            echo wp_get_attachment_image( $attachment->ID, 'list-thumbnail' );
            echo '</img></div>';
        }
        echo '</div>';
        echo '<div style="clear:both;"></div>';
    }
}