jsFiddle

• Run again
• Edit this fiddle

• JavaScript
• Result

var $results = $('#results'),
    loadInterval = 2000;
(function loader() {
    // Note: this Twitter API url does not require authentication
    // For more info on the twitter API, see
    // http://apiwiki.twitter.com/w/page/22554679/Twitter-API-Documentation
    $.ajax('http://api.twitter.com/1/statuses/public_timeline.json', {
        type: "GET",
        dataType: "jsonp",
        success: function( data ) {
            var tweet;
            $results.hide(200, function() {
                $results.empty();
                for ( var i = 0; i < 5; i++ ) {
                    tweet = data[i];
                    $results.append('<div class="result">'
                                    + '<h2>' + tweet.user.name + '</h2>'
                                    + '<img src="' + tweet.user.profile_image_url + '">'
                                    + '<p>' + tweet.text + '</p>'
                                    + '</div>');
                }
                $results.show(200, function() {
                    setTimeout(loader, loadInterval);
                });
            });
        }
    });
})();