fleeting

Displays the latest results based on a twitter search. Options include setting multiple search terms, excluding terms and limiting tweets shown. Use the sidebar widget, <code><?php wp_twittersearch_feed(); ?></code> in your template or shortcode in your posts/pages: [wpts terms=twittersearch limit=5 lang=en]
<ul>
<li>This plugin requires PHP5. Contact your host if your unsure what version you have or if your stuck on PHP4.</li>
</ul>
<h3>Future Plans</h3>
<ol>
<li>Add the remaining Twitter Advanced Search options</li>
<li>Allow for multiple widgets each with its own options</li>
<li>Location based search (input a zip code and distance)</li>
<li>Add a button to the Visual Editor to add a shortcode</li>
<li>Display results from a username and tags from a post</li>
<li>Cache the result for a period of time?</li>
<li>Should the tweets display in an unordered list? divs/spans? Should you be able to choose?</li>
</ol>

WP-TwitterSearch

Displays the latest results based on a twitter search. Options include setting multiple search terms and limiting tweets shown.

sellersbay

Embed anyone’s Twitter Timeline using only their username, or display tweets based on a keyword. Fully compatible with the latest Twitter API and guaranteed to work even with the forthcoming twitter changes!
Features:
<ol>
<li>Embed timelines using only username</li>
<li>Show tweets which contain a keyword</li>
<li>Highly configurable, many visual options</li>
<li>Using Twitter 1.1 API with authentication</li>
<li>No JavaScript</li>
</ol>
Go Pro and Get Many More Features! <a href="http://www.webdesignservices.net/free-wordpress-twitter-plugin/product/53-wordpress-twitter-feed-slider.html" rel="nofollow ugc">WordPress Any User Twitter Feed PRO</a>
PRO FEATURES!
<ol>
<li>Embed timelines using only username</li>
<li>New! Slider/Scroll Option (pro version only)</li>
<li>New! Side Tab Option, so it is shown as a tab on the side of your screen!</li>
<li>New! Slider speed control option (pro version only)</li>
<li>New! follow me button, which can use any username of your choice. (pro version only) 
6. New! Conflict switch to help it work with other jQuery plugins (pro version only)</li>
<li>Show tweets which contain a keyword</li>
<li>Highly configurable, many visual options</li>
<li>Using Twitter 1.1 API with authentication 
<a href="http://www.webdesignservices.net/free-wordpress-twitter-plugin/product/53-wordpress-twitter-feed-slider.html" rel="nofollow ugc"> GO PRO AND GET FREE TICKET SUPPORT!</a></li>
</ol>

Any User Twitter Feed

Embed anyone's Twitter Timeline using only their username, or display tweets based on a keyword. Fully compatible with the latest Twitter API and …

WP-TwitterSearch vs Any User Twitter Feed