Lately I've been asked a couple of time by client how to provide certain level of customization for their Silverlight application. In many cases they want to provide their client with ability to change styles/templates in application or part of it. Another common request, is to provide an ability to use external style definitions. Here the quick tip on how it could be achieved. I'll build really simple solution, which uses WebService to provide external style definition as loose XAML file...