469543 Joomla VirtueMart settings

We need to replace a text in all product-details of a VirtueMart –Online-Shop. Website: [login to view URL] for example: [login to view URL] First setting -------------------------------------------- The part Preis pro Einheit (Stück): must replaced by Preis pro Original: A JPG is attached. Second setting -------------------------------------------- We need a VirtueMart-Setup: purchaser can use the shop without a registration. (silent account creation / optional accout creation).