Aaron D. Campbell

A widget that properly handles twitter feeds, including parsing @username, #hashtag, and URLs into links. It supports displaying profiles images, and even lets you control whether to display the time and date of a tweet or how log ago it happened (about 5 hours ago, etc).
<a href="http://aarondcampbell.com/wordpress-plugin/twitter-widget-pro/" rel="nofollow ugc">Twitter Widget Pro</a>

Twitter Widget Pro

A widget that properly handles twitter feeds, including parsing @username, #hashtags, and URLs into links.

youngminds

You can use this plugin to show twitter feeds to your wordpress website. You have a widget control panel that will allow you to configure your twitter username, theme, border, bg color, data link color, width of the screen to display the feed and number of feeds that you want to display. You can drag and drop this widget to any sidebars.

YM Twitter Feed

This plugin can be used to embed twitter feed to your website.

Twitter Widget Pro vs YM Twitter Feed