[Zope] Format problem in Squishdot 1.0.0

Hi, I am using Squishdot 1.0.0. I have translated all of the content to Dutch, and I have two questions/problems: 1. I want the data format to be European like 31-12-2001 in stead of 12-31-2001.But it seems not possible to format the standard variable <dtml-var date_created> in European style. I tried <dtml-var date_created frm="%d/%m/%Y"> and several other compositions but I keep getting error messages, like "not alle converted" or key-error. Does anyone know how to format this Squishdot date? 2. When a message has been posted the user gets a message in English (You article has been posted). I like to translate this message to, but I don't know where to find it. Thanks Frank