For those who aren't aware, a great resource for Silverlight designers launched a few weeks ago named Silverzine. It already has several tutorials worth checking out, all centered on not just Silverlight, but coming at Silverlight from the designer perspective - meaning primarily Expression Blend centric.

At some point after this site is redesigned this article will end up posted here as well, but with Silverzine around for such tutorials, I don't see much need for cross-posting it.

Keep an eye on Silverzine, and check out my recent tutorial posted there:
Create Circular Rotating Text in Expression Blend