Thanks for your reaction. I know there is one template ;) and i use 2 different logos. But on my invoices(2 different) i have other information. Is it possible to create an other template for my other company?
1 - create a new template refer: ./templates/invoices - copy default to invoice2 or whatever and edit the .tpl files as required - but you have to manually change the invoice to use via System Preferences each time you print - which is not fun
or
2 - you can try using different Invoice Preferences per biller
you'll have to manually select the correct invoice preference at invoice creation/editing
in their your can put a custom footer/payment details etc.