Mine

Google Images.ieuser.js:

// ==UserScript==
// @name          Google Images
// @description	  Adds a direct link to images in Google Images search results.
// @include       http://images.google.*/*
// ==/UserScript==

(function()
{
	function pointLinksToImages()
	{
		ImgElements = document.body.getElementsByTagName("a");
		if(ImgElements)
		{
			for(i=0;i<ImgElements.length;i++)
			{
				if(ImgElements[i].href.indexOf("/imgres?imgurl=") != -1 && ImgElements[i].href.indexOf("&imgrefurl=") != -1)
			  	{
					/*var gmatch = null;
					var target = ImgElements[i].getAttribute("target");
					if (!target)
						target = "";
					*/var originPage = null;
					gmatch = ImgElements[i].href.match(/\&imgrefurl\=(.*?)\&h=/);
					if (gmatch)
						originPage = unescape(gmatch[1]);
					var originImage = null;
					gmatch = ImgElements[i].href.match(/\/imgres\?imgurl\=(.*?)\&imgrefurl\=/);
					if (gmatch)
					{
						originImage = unescape(gmatch[1]);
						ImgElements[i].href = originImage;
						var div = document.createElement('div');
						var s = '<span style="font-family:\'Trebuchet MS\', sans-serif; font-size:11px;">';
						if (originPage)
							s += '<a style="color:#CC3300;" href="'+originPage+'" title="'+originPage+'">' + "[Source]" + '</a>';
						s += '</span>';
						div.innerHTML = s;
						ImgElements[i].parentNode.appendChild(div);
			   		}
				}
			}
		}
	}
	pointLinksToImages();
}
)();

Hotmail.ieuser.js:

// ==UserScript==
// @name           Hotmail
// @description    Removes ads from Hotmail.
// @include        http://*.mail.live.com/*
// @include        https://*.mail.live.com/*
// @include        http://mail.live.com/*
// @include        https://mail.live.com/*
// @injectframes   1
// ==/UserScript==

// Remove Quick Add.
var QAPane = document.getElementById("IAPWrapper");
if (QAPane != null)
	QAPane.parentNode.removeChild(QAPane);

// Expand panes.
var mcStyle = document.getElementById('MainContent').style;
var mcwStyle = document.getElementById('ManagedContentWrapper').style;
mcStyle.right = '0px';
mcwStyle.right = '0px';
mcStyle.marginRight = '1px';
mcwStyle.marginRight = '1px';

YouTube.ieuser.js:

// ==UserScript==
// @name            YouTube
// @description     Displays the high quality video format on YouTube.
// @include         *youtube.com/*v=*
// ==/UserScript==

var dURL = document.URL, // This gets the URL of the page that the YouTube video is on.
    newURL;              // This variable will hold the modified URL that will switch the video quality.

if (!dURL.match('&fmt=' + 18))
{										
	(dURL.match('&'))? newURL = dURL.replace(/&/, '&fmt=' + 18 + '&'): newURL = dURL + '&fmt=' + 18;
	window.location.replace(newURL);
}