Custom post type admin list pages. From http://yoast.com/custom-post-type-snippets/

chanceColumns.php

// Change the columns for the edit CPT screen
function change_columns( $cols ) {
  $cols = array(
    'cb'       => '<input type="checkbox" />',
    'url'      => __( 'URL',      'trans' ),
    'referrer' => __( 'Referrer', 'trans' ),
    'host'     => __( 'Host', 'trans' ),
  );
  return $cols;
}
add_filter( "manage_<CPT>_posts_columns", "change_columns" );

customColumns.php

function custom_columns( $column, $post_id ) {
  switch ( $column ) {
    case "url":
      $url = get_post_meta( $post_id, 'url', true);
      echo '<a href="' . $url . '">' . $url. '</a>';
      break;
    case "referrer":
      $refer = get_post_meta( $post_id, 'referrer', true);
      echo '<a href="' . $refer . '">' . $refer. '</a>';
      break;
    case "host":
      echo get_post_meta( $post_id, 'host', true);
      break;
  }
}

add_action( "manage_posts_custom_column", "custom_columns", 10, 2 );

sortableColumns.php

// Make these columns sortable
function sortable_columns() {
  return array(
    'url'      => 'url',
    'referrer' => 'referrer',
    'host'     => 'host'
  );
}

add_filter( "manage_edit-<CPT>_sortable_columns", "sortable_columns" );