Awesome Tweet Embedr is a WordPress plugin by ronakg that allows the embeding any of the public tweets into your WordPress enabled website.
Fast and light – uses intelligent caching to reduce requests to Twitter.com
Customizable – select width and alignment of the embedded tweet.
Include media or not – select weather you want to include images in the embedded tweet
Include threads – if the tweet is part of a thread, you can decide if you want to show the entire conversation thread or just the tweet
Intuitive menu page with easy configuration options and Tweet previews
Live Demo: http://www.ronakg.com/projects/awesome-tweet-embedr-plugin-for-wordpress/demo-page/