Windows Live Writer (WLW) is the most popular desktop blogging client, and the plugins can extend its hands even further by allowing tasks like taking screenshots, adding social bookmarking links, adding videos, uploading content etc even easier. Here’s list of 16 plugins for WLW that many bloggers could find useful.

1. AIO SEO WLW Bridge Plugin : This WLW AIO SEO Wp plugin Bridge will let you add the add SEO tags from Windows Live Writer that are related to the AIO SEO plugin making it easy to enter all the details from within WLW.You need the AIO SEO plugin installed before running plugin.To see how this works check out this video @ YouTube.
   Download :Download All In One SEO Pack Windows Live Writer Bridge: WordPress Plugin
   Download All In One SEO Pack Windows Live Writer Bridge: WLW Plugin
2. Text Template : Do you follow different styles with different structures for different posts but end up typing structure over and over.Then this plugins lets you save the commonly used “snips” of HTML and save them as Post Templates and you can insert the Template from the insert tab into your post saving time.Text Templates are stored as stand alone XML files so you can share your templates with others aswell.
   Download – CodePlex | Text Template

3. Social Bookmarking For WLW : Insert Social bookmarks from social networking sites like Digg, Yahoo, Live, Delicious, Technorati, etc. from within WLW.You can find this plugin installed as “Bookmarking Tags” under Insert.You can also save favorites and insert the links faster by loading from favorites.
   Download : Social Bookmarking For WLW
   
4. Screen Capture Plugin for WLW – The simplest screen capture plugin for WLW though it does not offer editing of captured images it can pretty much do the job if its just Rectangle, Window or Full Screen.Download the file below to your C:\Program Files\Windows Live\Writer\Plugins directory and restart WLW and you’ll find the option under Insert.
   Download Screen Capture Plugin For WLW.
5. Vista Snipping Tool Integration Plugin for WLW – If you are using Windows Vista then you can integrate the Vista Snipping Tool Into WLW using the Snipping Tool Integration Plugin for WLW.Click “Insert snip capture” from right or upper menu and the application invokes Snipping Tool after capturing the image it inserted into your post in WLW.
   Download Snipping Tool Integration Plugin for WLW
   
6. SnagIt Capture For WLW – If you use SnagIt 7.0 or higher then this plugin can integrate SnagIt into WLW.It lets you capture screen shots with SnagIt, Edit it using its editor and place the image into your post in Live Writer.
   Download – SnagIt For WLW.
   
7. Website Capture Plugin -  Specify a webpage URL and this plugin will insert a screenshot of that page in your blog post that you can later resize or apply image effects.
   Download : Website Capture Plugin
   
8. Insert File Attachment – Insert a file attachment into your blog entry. The plugin supports specifying the link caption as well as a link prefix.This is good alternative to manually uploading the file and then providing the download link.
   Download : Insert File Attachment.
9. Polaroid Picture WLW plugin – This creates a Polaroid style frame around the image, also allows you to tilt the image and also display text below the image.This plugin makes use if a Wordpress plugin called “Thumbnail viewer” to achieve this, and the Live Writer plugin Polaroid Plugin.“Insert Polaroid” option should be available now under.
   Download : Thumbnail WP Viewer and WLW Polaroid plugin.
10. Sky Drive Attachment WLW Plugin – If you use SkyDrive for sharing files with your friends and blog visitors then you can add attachments,upload and manage fille(s) right from WLW.Check out this video in IE to see how this plugin works. – Watch Video.
    Download – Sky Drive Attachment WLW Plugin
    
11. Insert Video : This WLW plugin allows you to insert a video from all the major video networks like MSN SoapBox, Google Video, YouTube, MySpace Video, Yahoo! Video, etc., Just click on the Insert Video link, then copy and paste the link into the text box. Alternatively, you can now just paste the video link into the blog entry and the plugin will do the rest.
    Download Insert Video For WLW
    
12. Smilies : Insert Yahoo, Yahoo Hidden, MSN and other custom smileys/pictures of your choice in your Post from WLW.
    Download Similies WLW Plugin.
13. Syntax Highlighter – Recommended for geeks and developers who frequently share code on their blogs. This plugin will highlight the code syntax and language specific keywords in various colors.It is based on Wilco Bauwer’s Syntax Highlighter.
    Download Syntax Highlighter
    
14. RSS Feed Insert WLW plugin – This plugin that makes it easy to pull multiple RSS or Atom feed items into a blog post. The plugin can be used to insert RSS items or even del.icio.us links into your blog post.After installing it, you’ll see a new option to “Insert Feed Content” on your insert menu to insert a feed. Enter the URL of the feed you want to insert in the pop-up and click “OK.” The contents of the feed will be inserted into your blog post.
    Download Feed Insert | Direct Link
    
15. Twitter Notify – Send a Tweet announcing your newly published blog post. A shortened link to your post is automatically generated through the TinyURL service. You can also customize the Twitter Message in Options.
    Download Twitter Notify for WLW.
16. Creative Commons – Insert Creative Commons license under each post automatically.The plug-ins options are available under Tool – >Options. To See how it look, view the Preview of your post.
    Download Creative Commons WLW plugin.