In the functions.php:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
<?php
if ( function_exists('register_sidebar') )
add_theme_support('post-thumbnails');
?>
In theme:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
If this is your Horizontal Navigation theme:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
If this is your Navigation and you used Mooseoose CSS Menu theme:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::