WpRecipes.com - Daily recipes to cook with WordPress

paste the following function in your functions.php file:

<?php
function tweets($url){
  $content = file_get_contents("http://api.tweetmeme.com/url_info?url=".$url);
  $x = new SimpleXmlElement($content);  
  $tweets = $x->story->url_count;
  echo "Tweets: ".$tweets;  
}

Once done, you can get the number of tweets for any web page you want, for exemple:

<?php tweets("http://www.wprecipes.com"); ?>

To automatically display how many times your posts has been tweet, open the single.php file file and paste the following code:

<?php tweets($post->permalink); ?>