Ссылки по теме
http://raphaeljs.com/image-rotation.html
http://www.netzgesta.de/instant/
есть и ещё если поискать )))
Пример:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script src="http://github.com/DmitryBaranovskiy/raphael/raw/master/raphael-min.js" type="text/javascript"></script>
</head>
<body>
<script language="JavaScript" type="text/javascript">
var paper = Raphael(0, 0, 500, 500);
var c = paper.image("http://javascript.ru/forum/images/ca_serenity/misc/logo.gif", 5, 70, 336, 76);
var i = paper.image("http://javascript.ru/forum/images/ca_serenity/misc/logo.gif", 5, 70, 336, 76);
c.rotate(25);
i.rotate(-25);
</script>
</body>
</html>