Setup page template array in a custom post type

//tax_select - this lists all of the categories in a drop-down, we want to change to a checkbox
case 'tax_select':
    $terms = get_terms( $field['id'], 'get=all' );
    $selected = wp_get_object_terms( $post->ID, $field['id'] );
    foreach ( $terms as $term ) {
        printf( '<input type="checkbox" name="%s[]" value="%s" %s/><br />', $field['id'], $term->slug, !empty( $selected ) && !strcmp( $term->slug, $selected[0]->slug ) ? ' checked="checked"' : '' );
    }
    $taxonomy = get_taxonomy( $field['id'] );
    echo '<span class="description"><a href="' . get_bloginfo( 'home' ) . '/wp-admin/edit-tags.php?taxonomy=' . $field['id'] . '">Manage ' . $taxonomy->label . '</a></span>';
break;