Invoice changes!

So how do I edit the invoice or extended-oriented works, but one I do and it is the arrangement of gross / net / shipping / tax.

This is currently incorrect and the tax office often in crisis: D

see rechnung.JPG

Now I want it but have displayed properly. Do you already have a ready-made tool or how I can change the positions? Any attempt to alter the positions so far failed):

e.g. I'd like like to Sun

product-price-quantity (through the skin so already)
Subtotal:
Shipping costs:
Total net price:
VAT 19%:
Total Gross price:

Weis someone like me there are so hinbekomme?
(Not like the old picture, which is the acute elle arrangement and should not be retained)

admin/view/template/sale/order_invoice.tpl