Customizing the look and feel
CSS
Masterpages
Minimal Publishing Site - This project will create a minimal publishing site for SharePoint 2007. The concept behind this project is to create a site definition and associated master pages for use with the publishing feature of SharePoint 2007.
Navigation
My Sites
Other Stuff
Customize the Asset Picker
Customize Styles
Customize the Content Query Web Part by using Custom Properties
Display Custom Fields in a Content Query Web Part