The Kodadesign template was formerly one of the most used template during the Joomla! 1.5 good old times. Many websites are still running with that Joomla! version, afraid to migrate to Joomla! 2.5 for many reasons. One of them is the template compatibility.
Some users do not especially want to renew their website design. Upon customer request, Web Ti market had to adapt the kodadesign template compatibility for Joomla! 2.5. Used by many e-commerce websites, the new version is pre-formated for overriding the Virtuemart component (for more informations over template override, see that page override de template Virtuemart 2, in french, sorry, but google translate can be helpful ) . You can download Kodadesign template for Joomla! 2.5! for free on that page : free Download Kodadesign25 Template
Your browser is Mozilla firefox. For some reasons, the language is not the one you want to use. One solution is to download a new version with the chosen language and install it ; But that can take time and be tedious.
Changing language in Firefox, is easy even if it is not an obvious option. Web Ti market has made for you a short video and a written tutorial