To get started developing for Windows Azure you will need an account. Before you can have an account you will need a Windows Azure token.
Here is what you will need to develop solutions that follow this pattern:
Expression Blend 3 + Sketchflow allows designers to graphically create UI’s for Silverlight 3 applications.
This tool allows you to prepare your images for use with the Deep Zoom feature in Silverlight 3.
This Toolkit is a Microsoft project containing Silverlight controls, components and utilities that can be downloaded and used in your Silverlight applications. It includes full source code, samples and tests.
Microsoft .NET RIA Services simplifies the traditional n-tier application pattern by bringing together the ASP.NET and Silverlight platforms. The RIA Services provides a pattern to write application logic that runs on the mid-tier and controls access to data for queries, changes and custom operations.