How do I use the bitmap debug visualizer in Visual Studio 2010?

I'm attempting to us开发者_开发知识库e the bitmap visualizer in Visual Studio 2010, but when I bring up the quick watch window I don't see the magnifying glass described here. I set the app to full trust under the Security tab of the project settings but it didn't help. Has anybody successfully used the bitmap debug visualizer?

Oops. Don't know why I thought this was included in Visual Studio 2010 but there is a 3rd party version here.