Order status change notifications
Sorting & filtering of orders by statuses
Additional order statuses for order states
Automatic or manual status change notifications
1. forward email templates when status change
2. Set auto status for 2 payment methods : check and wire transfer
3. you see in magento defualt there is a ship , when this will be clicked and email sent to client "for order complete" and status will be complete
4. Ship and complete order
Check the attached file for more detail