DepencyObject and DependencyProperty explanations

I am still a bit new to the DependencyObject and DependencyProperty concept so for later reference these articles may proof useful

• hack.brain's Avalon: Understanding ...
• Adventures with WPF's Dependency Properties
• K. Scott Allens' Dependency Property Notes
• Josh Smith of WPF's Overview of ...
• Marcel de Vries' WF Dependency ...
• Josh Smith on WPF's Overview of ...
• Josh Smith on WPF's Demystifying dependency properties
• Josh Smith on WPF's Further demystifying ...