Here is the list of 10 must have plugins for bloggers using windows live writer users. These tools will help your blogging experience better. They are all helpful to reduce your blogging time, reduce the number of steps before publishing a post, and reduces the number of applications you have to use to write an article.

Using these plugins to the new windows live writer will help you to do almost all your regular blogging activities from live writer itself and will save your time.

1. Screen Capture tool
   This plugin will help you to take screenshots from your PC, you suggest. Works fine like the “Print Screen” option, but more effective and manageable. Now no need to run Photoshop side by side, when you blog. This is particularly useful when you are reviewing an application and blogging side by side.
2. Screenshot/Thumbnail creator of a website
   This plugin will help you create a thumbnail of another website that you suggest. Just give the URL and it gives you the full page screenshot/thumbnail of that webpage. Now no need to take screen shots and join pieces together.
3. Insert images from Flickr
   Many of the bloggers upload images to flickr and picasa, hotlinking it from there, so that you save on bandwidth ad save from the “Digg Effect”. But it has always been a tedious task to upload the image, copy the URL etc. Now do it all from WLW. Give your user name and this plugin will show all the images from this user name, just like how flock shows it’s media window. Just drag and drop your required image and you are done!
4. Insert your BOX.net files to your post
   Just like the image insertion from flickr, this plugin allows you to insert your Box.net files form a small box to your article. Simple as a drag and drop. No issues and time waste!
5. A simple De.li.cio.us plugin
   That will help you to incorporate delicious tags to your post. A must have if you are a delicious fan.
6. Technorati plugin
   A tiny plugin that will help you to add technorati tags to your articles. Simple and easy to use, but very effective in getting relevant traffic to your blog.
7. Insert Youtube or Google Videos to your post
   Another powerful tool that saves lot of your time by helping you insert a Youtube or Google video into your post.
8. Save typing the same link over and over again
   With this teeny weeny plugin, yo can save a lot of time, as it keeps in memory your previous links and next time when you use the same anchor text, it suggests you a previous link.
9. Save on typing the same text again and again
   Just like the link saver, this plugin helps you same time by not typing the same text over and over again. For example, a subscribe to RSS feed, link or reminder text that you use at the end of every article can be stored in a template file and called up any time during the post. 
10. Picasa Image plugin
    With this plugin you can easily insert images you have in your Picasa Web Albums into your blog. You are able to upload new images into existing albums or create new albums.

So there you have it. 10 most powerful plugins for improving your your blogging efficiency. NOw, there’s one plugin I wish was available, the All in One SEO pack.