I have posted the slide deck and code samples for my most recent presentation on WPF and Silverlight resources, styles and templates. I have received many positive comments on this presentation, which btw was very nice. It covers just about all key concepts you need to know about the fundemantals of styling your UI and/or crreating your own custom templates in the WPF world. Just register on the site and go to the Company/Articles menu to get it.