不用啊,很简单,把flash设置为透明就可以了,加个透明参数就可以了,例如这样:
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0" width="530" height="420">
<param name=movie value="images/pao.swf">
<param name=quality value=high>
<param name=quality value=transparent>
<param name=wmode value=transparent><param name="SCALE" value="exactfit">
<embed src="images/pao.swf" quality=high pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="530" height="420" scale="exactfit">
</embed> 
</object>