In the first part we looked at how to download hundreds of O'Reilly bookcovers usingC# . In the second part, we saw how to stitch those imagestogether into something a little more friendly for Deep Zoom Composer. In this part, we're going to create a Deep Zoom Composer project, export the final images, and build the finished Silverlight application. In order to build Deep Zoom applications, you're going to need to download Microsoft's Deep Zoom Composer . Everything else you should already have - especially if you're building Silverlight applications. In case you haven't checked out the previous tutorials yet, below is the application we'll be building today. [silverlight width="630" height="480" src="/sites/default/files/409/source/OReillyDeepZoom.xap"] Step 1 - Import the Images Deep Zoom Composer is separated into three parts: Import, Compose, and Export. The first thing we're going to need to do is i...