Skipping the witty intro, you don't read this part anyway.
Zero to Hero: Getting Started with Silverlight - Laurence Moroney doesn't play around and cuts right to the chase: a simple tutorial on how to get up and running with SilverLight development.
MediaPreview.TV - Beautiful Silverlight v1.0 App - Mike Harsh links us to a SilverLight App that was just released. The app makes use of many of the video options available in SliverLight.
Lessons from the Trenches: Visual Studio 2008 and Silverlight 1.1 - Jeff Prosise has been playing with VS 2008 Beta 2 and SilverLight 1.1 and shares some tips and workarounds for issues you may encounter. Jeff has also released SilverLife - a SilverLight app with full source code.
WPF - Point an Image to an Embedded Resource - Chad Campbell has a great article on embedding images as resources in your WPF application (SilverLight and non-SilverLight). This can make distribution much simpler, including ClickOnce deployments.
Silverlight 1.1 - How to Create a Media Player - Again from Chad Campbell; I think the title speaks for itself.