Based on one of the other threads I managed to do it, but copying the FLAT.PHP files in the MODULES and LANGUAGES folders and editing. I should note that in the MODULES version you must make sure the case sensitivity is observed ... from what I could see there were three places where this is important ... consider that I was making a new flat rate called oe_courier.php ...
1 class oe_courier {
2 var $code, $title, $description, $icon, $enabled;
3
4// class constructor
5 function oe_courier() {
6 global $order;
7
8 $this->code = 'oe_courier';
9 $this->title = MODULE_SHIPPING_OE_COURIER_TEXT_TITLE;
10 $this->description = MODULE_SHIPPING_OE_COURIER_TEXT_DESCRIPTION;
11 $this->sort_order = MODULE_SHIPPING_OE_COURIER_SORT_ORDER;
Line 1, 5 and 8 seem to need to be lower case and the same as the file name. If they are UPPER CASE then the system will tell you that you have modules to install, but they won't show up in the list.