创建自己的Flex 3D标签云 Flex特效下载
http://www.favzone.com/article.asp?id=131
demo：http://carvalhar.com/componente/FlexCumulusTagCloud/swf/FlexCumulusTagCloud.html
源代码：http://carvalhar.com/componente/FlexCumulusTagCloud/FlexCumulusTagCloud.zip