There is plenty of information regarding starting your training in the Wannabes forums. As for breaking into the market through freight, don't make the error in thinking that freight flying has lower standards and therefore it's an eay way into aviation. This is far from the case as the standards for flying any aircraft are the same regardless of what you are carrying. Many passenger airlines also have a freight division where the pilots share the same seniority list and therefore, the airline requires the same standards.