Ops... WMV

Oppure da .AVI convertilo in .SWF e usa un codice come da esempio sotto:

codice:
<html>

<head>
<title>No title</title>
<meta name="Video" content="Prova Video.swf">
</head>

<body bgcolor="white" text="black" link="blue" vlink="purple" alink="red">


<object classid="clsid:d27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="320" height="240">
<param name="movie" value="http://www.picarelli.com/imagens/videos/2005_crazyfrog.swf">
<param name="play" value="true">
<param name="loop" value="true">
<param name="quality" value="High">
<param name="_cx" value="5080">
<param name="_cy" value="5080">
<param name="Src" value="http://www.picarelli.com/imagens/videos/2005_crazyfrog.swf">
<param name="WMode" value="Window">
<param name="Menu" value="true">
<param name="Scale" value="ShowAll">
<param name="DeviceFont" value="false">
<param name="EmbedMovie" value="false">
<param name="SeamlessTabbing" value="true">
<param name="Profile" value="false">
<param name="ProfilePort" value="0">
<embed width="320" height="240" Src="http://www.picarelli.com/imagens/videos/2005_crazyfrog.swf" play="true" loop="true" quality="High" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" WMode="Window" Menu="true" Scale="ShowAll" DeviceFont="false" EmbedMovie="false" SeamlessTabbing="true" Profile="false" ProfilePort="0"></embed></object></p>
</body>

</html>