http://realfavicongenerator.net/faq#.Uw5pXXmEipo
http://blogs.windows.com/windows_phone/b/wpdev/archive/2012/10/19/creating-a-custom-tile-to-link-to-your-website.aspx
https://github.com/chrisbliss18/php-ico
http://stackoverflow.com/questions/1056104/php-gd-how-to-copy-a-circle-from-one-image-to-another
http://www.php.net/manual/en/imagick.compositeimage.php
http://msdn.microsoft.com/en-us/library/ie/hh761491.aspx
http://msdn.microsoft.com/en-us/library/windows/apps/br212859.aspx
https://developer.mozilla.org/en-US/docs/Web/Manifest

iOS Icons (apple-touch-icon-???x???.png)
iPhone and iPod touch		57x57
iPhone and iPod touch (2x)	114x114
iPad						72x72
iPad 2						144x144

iOS Screens
iPhone and iPod touch		320x460
iPhone and iPod touch (2x)	640x920
iPhone 5 and iPod touch 
(5th generation)			640x1096
iPad						768x1004
iPad Landscape				748x1024
iPad 2						1536x2008
iPad 2 Landscape			1496x2048

Windows 8.1 (mstile-???x???.png)
							70x70
							144x144
							150x150
							310x310
							310x150

favicons (favicon-??x??.png)

							16x16
							32x32
							96x96
							160x160
Opera						256x160
							196x196

Apple code:

<meta name="apple-mobile-web-app-title" content="[your title]" />
							
<meta name="apple-mobile-web-app-capable" content="yes" />
<script type="text/javascript">
	var appleIcons_startUpImages = {
		"iphone":"http://exchange01.darkphoton.com/wordpress/wp-content/plugins/appleicons/images/icons/iphone_image320x460.png",
		"iphone4":"http://exchange01.darkphoton.com/wordpress/wp-content/plugins/appleicons/images/icons/iphone2x_image640x920.png",
		"iphone5":"http://exchange01.darkphoton.com/wordpress/wp-content/plugins/appleicons/images/icons/iphone5_image640x1096.png",
		"ipad":"http://exchange01.darkphoton.com/wordpress/wp-content/plugins/appleicons/images/icons/ipad_image768x1004.png",
		"ipad_land":"http://exchange01.darkphoton.com/wordpress/wp-content/plugins/appleicons/images/icons/ipad_land_image748x1024.png",
		"ipad2":"http://exchange01.darkphoton.com/wordpress/wp-content/plugins/appleicons/images/icons/ipad2x_image1536x2008.png",
		"ipad2_land":"http://exchange01.darkphoton.com/wordpress/wp-content/plugins/appleicons/images/icons/ipad2x_land_image1496x2048.png"
	};

	(function(){
		function AddLink(url, media){
			var link 	= document.createElement("link");
			link.rel	= "apple-touch-startup-image";
			link.href	= url;
			if(media){
				link.media	= media;
			}
			document.getElementsByTagName("head")[0].appendChild(link);
		}
		
		var image 				= false;
		var land_image			= false;
		var userAgent 			= navigator.userAgent;
		var devicePixelRatio 	= window.devicePixelRatio ? window.devicePixelRatio:0;
		if(userAgent.indexOf("iPhone")>-1){
			if( devicePixelRatio>1){	
				image = appleIcons_startUpImages["iphone4"];
				if(window.screen.height == 568){
					image = appleIcons_startUpImages["iphone5"];
				}
			}else{
				image = appleIcons_startUpImages["iphone"];
			}
		}else if(userAgent.indexOf("iPad")>-1){
			if(devicePixelRatio>1){	
				image 		= appleIcons_startUpImages["ipad2"];
				land_image 	= appleIcons_startUpImages["ipad2_land"];
			}else{
				image 		= appleIcons_startUpImages["ipad"];
				land_image 	= appleIcons_startUpImages["ipad_land"];
			}
		}
		if(image){
			AddLink(image, ((userAgent.indexOf("iPad")>-1) ? "(orientation: portrait)":false) );
		}
		if(land_image){
			AddLink(land_image, "(orientation: landscape)");
		}
	})();
</script>
<link href="http://exchange01.darkphoton.com/wordpress/wp-content/uploads/2014/02/DontArgueWithRealityLogoSquare57.png" rel="apple-touch-icon" sizes="57x57" />
<link href="http://exchange01.darkphoton.com/wordpress/wp-content/uploads/2014/02/DontArgueWithRealityLogoSquare114.png" rel="apple-touch-icon" sizes="114x114" />
<link href="http://exchange01.darkphoton.com/wordpress/wp-content/uploads/2014/02/DontArgueWithRealityLogoSquare72.png" rel="apple-touch-icon" sizes="72x72" />
<link href="http://exchange01.darkphoton.com/wordpress/wp-content/uploads/2014/02/DontArgueWithRealityLogoSquare144.png" rel="apple-touch-icon" sizes="144x144" />
	<!-- For pinned live tiles in Windows 8.1 start screens -->	
	<meta name="application-name" content="WordPress Test Site" />
	<meta name="msapplication-TileColor" content="#1e73be" />
	<meta name="msapplication-notification" content="frequency=360;polling-uri=http://notifications.buildmypinnedsite.com/?feed=http://exchange01.darkphoton.com/wordpress/?feed=rss2&amp;id=1;polling-uri2=http://notifications.buildmypinnedsite.com/?feed=http://exchange01.darkphoton.com/wordpress/?feed=rss2&amp;id=2;polling-uri3=http://notifications.buildmypinnedsite.com/?feed=http://exchange01.darkphoton.com/wordpress/?feed=rss2&amp;id=3;polling-uri4=http://notifications.buildmypinnedsite.com/?feed=http://exchange01.darkphoton.com/wordpress/?feed=rss2&amp;id=4;polling-uri5=http://notifications.buildmypinnedsite.com/?feed=http://exchange01.darkphoton.com/wordpress/?feed=rss2&amp;id=5; cycle=1" />
	
		<meta name="msapplication-square310x310logo" content="http://exchange01.darkphoton.com/wordpress/wp-content/uploads/cwp_tiles/DontArgueWithReality-Logo-Square-310x310.png" />
		<meta name="msapplication-wide310x150logo" content="http://exchange01.darkphoton.com/wordpress/wp-content/uploads/cwp_tiles/DontArgueWithReality-Logo-Square-310x150.png" />
		<meta name="msapplication-square150x150logo" content="http://exchange01.darkphoton.com/wordpress/wp-content/uploads/cwp_tiles/DontArgueWithReality-Logo-Square-150x150.png" />
		<meta name="msapplication-square70x70logo" content="http://exchange01.darkphoton.com/wordpress/wp-content/uploads/cwp_tiles/DontArgueWithReality-Logo-Square-70x70.png" />
		<meta name="msapplication-TileImage" content="http://exchange01.darkphoton.com/wordpress/wp-content/uploads/2014/02/DontArgueWithReality-Logo-Square.png" />
	
	
XML Format:

<tile>
	<visual lang="en-US" version="2">
		<binding template="TileSquare150x150Text04" branding="logo" fallback="TileSquareImage">
			<text id="1">NetFlix and Comcast: Quicksand or Cement?</text>
		</binding>
		<binding template="TileWide310x150ImageAndText01" branding="logo" fallback="TileWideImage">
			<image id="1" src="http://jumblecat.com/wp-content/uploads/2013/01/internet-category.png"/>
			<text id="1">NetFlix and Comcast: Quicksand or Cement?</text>
		</binding>
		<binding template="TileSquare310x310SmallImagesAndTextList02" branding="logo" contentId="http://jumblecat.com/?p=1967">
			<image id="1" src="http://jumblecat.com/wp-content/uploads/2013/01/internet-category.png"/>
			<image id="2" src="http://jumblecat.com/wp-content/uploads/2013/01/internet-category.png"/>
			<image id="3" src="http://jumblecat.com/wp-content/uploads/2013/01/internet-category.png"/>
			<text id="1">NetFlix and Comcast: Quicksand or Cement?</text>
			<text id="2">Rating and Reviewing Apps and Services</text>
			<text id="3">Net Nutrality and Anti-Competitive Behaviour</text>
		</binding>
	</visual>
</tile>