The Fedex Labels Canada module will all you to generate domestic fedex labels for your orders.The module also supports Multiple Package shipment labels
Extension uses the FedEx advanced services webservice to generate labels,Please ensure that the fedex account used had the Fedex advanced serviced enabled.
Extension uses VQMOD

Screencast Demo:
http://www.screenr.com/FLT7

Key Features
1) Create Fedex Labels
2) Multiple Shipment labels supported
3) Fedex Label history shows tracking and the price
4) Ability to cancel the Label

Supports Major CA Domestic FedEx Services

UPDATE 10/18/14: EXTENSION NOW AVAILABLE FOR OPENCART 2.X