A simple plugin that will upload your image to www.imageshack.us (a free image hosting service) and insert it in your post.
Supports custom sizes/

Insert a Silverlight application within your post!

The wizard allows you to export chosen settings (blogs, plugins) from Live Writer and store it in external file or in the cloud (FTP,SkyDrive). These settings can be imported on another PC thus having the same familiar working environment.

Shorten any URLs using Cut.ms (http://cut.ms) whenever you publish a new post. Then you can see and analyze your traffic data through http://cut.ms site.

Surround your code by prefix(<div class="mycode">) and suffix(</div>) .Prefix and suffix can be customized by yourself in the plugin setting window.

This plugin supports content from CBEnhancer (http://manniat.pp-p.net/CBEnhancer).
You can also use it to paste from clipboard. It pastes what's currently there.
Works like Paste content without the need to select Text/HTML.

Allows you to insert an image from the clipboard and give it a filename other than Image1, Image2, etc.

Sends your blog posts details (URL, Title, etc) to delicious when you post.

Bookmarks2LiveWriter is Windows Live Writer plug-in for serious bloggers. It generates blog entry with your Delicious bookmarks automatically.

Translate text using the Bing Translator

Lets you put a tweetmeme button in your blog posts.

Add smart content editor syntax higlighter 2.0 support for Windows Live Writer.

WLW Bit.ly is a plugin that enables you to automatically change the links and URLs into Bit.ly links. A Bit.ly account is optional.

See http://www.subtletechnology.com/bit.ly for more information and screenshots.

Paste code copied from the Visual Studio editor while preserving syntax highlighting, indentation and background colour.

Options: Max Height, Title Block, Alternating Lines, Line Numbers, Wrap Lines, Un-indent, Background Colour, Class Names.

Insert your recent Twitter tweets into your blog post. This plugin will retrieve up to 200 of your most recent tweets and display them as an easily readable list with links properly formatted.

The project uses my C# SmugMugModel framework (http://smugmugc3.codeplex.com) to let the user log in to his/her account, view albums, select pictures from them and insert them into Live Writer at a desired size, with embedded link or not.

Edit pictures inserted in the windows live writer editor more easily, integrates with many image editors, streamlined workflow for editing pictures as you need, now updated to optionally show before you publish your blog post.

vCrossPost is a Windows Live Writer plugin using Ping.fm to cross post to other engines, including Yahoo! 360. This plugin handles Unicode correctly.

Insert Google Maps into your blog post.

Demo this Plugin:
http://soswitcher.blogspot.com

Insert a Media Player into your blog post.

Demo this Media Player:
http://soswitcher.blogspot.com