Adding plugin settings link upon activation

Code extracted from my plugin, adapt as necessary.

add_filter( 'plugin_action_links', 'wpse_25030_settings_plugin_link', 10, 2 );

function wpse_25030_settings_plugin_link( $links, $file ) 
{
    if ( $file == plugin_basename(dirname(__FILE__) . '/many-tips-together.php') ) 
    {
        /*
         * Insert the link at the beginning
         */
        $in = '<a href="https://wordpress.stackexchange.com/questions/25030/options-general.php?page=many-tips-together">' . __('Settings','mtt') . '</a>';
        array_unshift($links, $in);

        /*
         * Insert at the end
         */
        // $links[] = '<a href="https://wordpress.stackexchange.com/questions/25030/options-general.php?page=many-tips-together">'.__('Settings','mtt').'</a>';
    }
    return $links;
}