get_images_odin.php

<?php
    $loop = new WP_Query(
        array(
            'post_type'           => 'evento',
            'ignore_sticky_posts' => 1,
            'posts_per_page'      => 2,
            'paged'               => $paged
        )
    );

    if ( $loop->have_posts() ) :
        while ( $loop->have_posts() ) : $loop->the_post();

            $geleria_fotos = get_post_meta( $post->ID, 'geleria_fotos', true );

            foreach ( explode( ',', $geleria_fotos ) as $image_id ) {
                $image_attributes_thumb = wp_get_attachment_image_src( $image_id, 'thumb-evento' );
                $image_attributes_full  = wp_get_attachment_image_src( $image_id, 'full' );

                if( $image_attributes_thumb ) {
                    echo '<div class="item-footer">';
                        echo '<a href="' . $image_attributes_full[0] . '" data-imagelightbox="f" title="Eventos Ajustes">';
                            echo '<img class="img-responsive" alt="Eventos Ajustes" src="' . $image_attributes_thumb[0] . '" width="' . $image_attributes_thumb[1] . '" height="' . $image_attributes_thumb[2] . '">';
                        echo '</a>';
                    echo '</div>';
                }
            }

        endwhile;
    else:
        echo '<div class="alert alert-danger">Não há fotos cadastradas.</div>';
    endif;
    wp_reset_postdata();
?>