Add cool Polaroid-style pictures to your blog. This plugin allows you to tilt your polaroid in either direction and even add a text-caption to the photo. Can configure default options, custom sizes and border styles. See http://www.brettonstuff.com/polaroids/ for examples and version information.
Code Snippet plugin for Windows Live Writer
Please refer to the following post for details on what’s new: http://lvildosola.blogspot.com/2009/03/code-snippet-plugin-for-windows-live.html
Free Greasemonkey user script Google Account Multi-Login adds a simple drop-down menu to Google pages (including Gmail) for quick switching between your different user accounts. Just install the script, reload the page, and you can start adding your Google accounts to the drop-down. It’s simple to use and it’s a huge timesaver for anyone who actively uses different Google usernames and passwords. It’s probably not the most secure place to put your passwords, but if that doesn’t bother you, this script may come in very handy. The Google Account Multi-Login script is free, requires Firefox with Greasemonkey.

Dust-Me Selectors is a Firefox extension (for v1.5 or later) that finds unused CSS selectors.
Tab Catalog, Mozilla Firefox pencerenizde açtığınız bütün tabların, tek bir sayfada hepsinin küçük birer resmiyle (thumbnail) gösterilmesini sağlar.

