Windows Live Writer Integration for Sitecore

Windows Live Writer is a great tool for blogging. It is simple, fast, and can be customized using plugins written in .NET. You can have web-based interface for adding your blog or articles, but integration with desktop client will not be superfluous as it provides a lot of benefits.
 In this post I'll show how to integrate it with Sitecore CMS using MetaWeblog API -  an application interface  that enables weblog entries to be written, edited, and deleted using web services.

Integration can be divided into two parts:

1. Implementing MetaWeblog API service members 
2. Creating and configuring various handlers that will tell Live Writer how to find and use our service

Using Sitecore media cache with custom handlers.

Every certified Sitecore developer knows how media files caching works. When you request image from the media library, you can specify custom parameters like image height, width, scaling, etc. For each parameters set Sitecore stores generated image in the "/App_Data/MediaCache/" folder.

For example, you have a following image in you media library:

/~/media/images/f1