public static void registerTileImage(Class<?extends Game> gameClass, char symbol, URL imageURL) {
		tileImageURLs.put(new T2<Class<?extends Game>, Character>(gameClass,symbol), imageURL);
		BufferedImage img = null;
		try {
			img = ImageIO.read(imageURL);
		} catch (IOException e) {}
		tileImages.put(new T2<Class<?extends Game>, Character>(gameClass,symbol), img);
	}