Use this feed togeather with GeekTool - allows you to monitor your dropbox's activity

dropfeed.php

<?php
/**
 * You can find your feed url at http://dropbox.com/events
 * The buttom of the page has a Subscribe to feed feature.
 * 
 * Copyright (c) 2012 Kristian Mide
 * 
 * MIT License 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation 
 * files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the 
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE 
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS 
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/** Edit this line */
$feedUrl = "https://www.dropbox.com/???";


$ch = curl_init($feedUrl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$feed = curl_exec($ch);

$parsedFeed = simplexml_load_string($feed);


foreach($parsedFeed->channel->item as $item)
{
	echo $item->pubDate . " " .trim(strip_tags((string)$item->description)). "\n";
}