help to add moduls and grabbers to johncms 6.2.0

Who can help me to add modules and grabbers to johncms 6.2.0. Please help me. Write full codes or full text to add modul and grabs if you can. Write as readme example write this include 'foldername/filename.php';
Sorry for bad english ;-) because i am uzbek i am trying to write correctly.

walterhacker,

define('_IN_JOHNCMS', 1);
$headmod = 'page';
$textl = 'Page Title';
require('../incfiles/core.php');
require('../incfiles/head.php');

   //Your code here

require('../incfiles/end.php');