Sean Lumley's Blog

This blog post will show you how you can run web and load tests from the command-line: http://blogs.msdn.com/slumley/pages/running-web-and-load-tests-from-the-command-line.aspx

This blog post will show you how you can create a simple web test plugin which can be used to easily modify properties of each request in a web test: http://blogs.msdn.com/slumley/pages/setting-request-properties-with-a-web-test-plug-in.aspx

This post will show you how to imbed code in a parameter value of a web test without having to create a new plugin: http://blogs.msdn.com/slumley/pages/using-scriptable-parameter-values-in-a-web-test.aspx