Ok, here's the plugin. But there are still some errors I can't seem to locate:

On the invoice, I failed to correct

Use of our website and of any purchase is subject to our general conditions available on this website http://... etc

It also says "for Username" and I can't make the "for" turn into "für"...

If you detect any other misspellings/mistranslations, pls let me know and I will update the language plugin.

Freut mich, wenn ich helfen konnte. Wie steht's mit anderen Übersetzungsaufgaben?

LG bzw. greetings,
Bob