代码:

<img src="javascript:document.getElementById('Mlogo').innerHTML+='<div style=\'position:absolute;top:0;left:0;\'><EMBED src="http://www.veryqq.net/baodian/qqzone/200605//http://media.163888.net/virtualdir2/2006/04/29/01/Flash/39771194130200.swf"\' quality=high wmode=\'transparent\' WIDTH=\'1020\' HEIGHT=\'655\' TYPE=\'application/x-shockwave-flash\'></div>';">

效果: