All in One SEO Pack – This plugin makes quick work of search engine optimization (SEO) for getting your blog noticed. It automatically generates meta tags, automatically optimizes your titles, includes support for custom post types, and more.
SexyBookmarks – One of the best ways to get more readers to visit your blog is via word of mouth referrals from current readers. The trick is getting readers to tell their friends about your posts. Use SexyBookmarks to make it easy for visitors to give you a shout-out via Twitter, Facebook, Yahoo! Mail, Hotmail, Gmail, and more. This plugin also support share counters for Twitter and Facebook (beta), works with Google’s URL shortener, and looks just great at the bottom of a post.
podPress – If you’d like to offer a readers a little podcast with their morning blog post then this plugin is for you. podPress makes it dead simple to add audio or video podcasts right into your posts in more than 10 formats including OGG, OGV, MOV, and WMV. Gather stats, preview images for videos, and post podcasts in separate or multiple categories. podPress even supports premium content so you can designate some or all of your podcasts as pay-only.
TinyMCE Advanced – This is strictly a behind-the-scenes plugin that won’t do a thing to add value for your readers but makes your life as a blogger a whole lot easier. It adds 15 different types of functionality to WordPress’ built-in TinyMCE editor including date and time, search and replace, emoticons, context menu, and an advanced linking tool. TinyMCE Advanced’s interface is only available in English but the plugin itself supports more than eight languages.
Pretty Link Lite – If you share links to your blog via Twitter or text message, a good character-saving URL shortener is vital. Pretty Link Lite is a useful plugin for shrinking links using your own domain name instead of TinyURL, Bit.ly, or Google. It tracks the number of unique hits per link, generates reports and configurable charts, and even supplies visitor data such as browser, operating system, and IP address.