has put some greate screencasts on the internet for Microsoft Office SharePoint Server 2007 User Interface tutorials. MOSS is a great Portal and collaboration platform and can be used for internet, intranet and extranet experiences. But styling MOSS and WSS websites is sometimes a big issue. These screencasts explain a lot about how to style your MOSS or WSS website by applying master pages, CSS, Templates and page layouts.
Applying Custom Visual Design to a MOSS Website Using Master Pages and CSS
Prepping HTML/CSS Templates for MOSS
Prepping the Files in SharePoint Designer
Base Master Page Code Overview
Using the Base Master Page to Create a Custom Master Page
Creating a Custom Page Layout
Assigning the Master Page and CSS File
Creating a New Web Page
Tips for Styling the Navigation Control
CSS Variations in a MOSS Website