Be sure to enclose the embed functions in a surrounding <div></div> otherwise the code will disrupt the layout of your blog. You will also have to cut and paste this code as plain text to make sure the quote marks are not smart quotes.
<div>
<object id=”MediaPlayer1″ CLASSID=”CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95″ codebase=”http://activex.microsoft.com/activex/controls/mplayer/en/nsm p2inf.cab#Version=5,1,52,701″ standby=”Loading Microsoft Windows® Media Player components…” type=”application/x-oleobject” width=”280″ height=”256″>
<param name=”fileName” value=”http://www.yoursite.com/video.mpg”>
<param name=”animationatStart” value=”true”>
<param name=”transparentatStart” value=”true”>
<param name=”autoStart” value=”true”>
<param name=”showControls” value=”true”>
<param name=”Volume” value=”-450″>
<embed type=”application/x-mplayer2″ pluginspage=”http://www.microsoft.com/Windows/MediaPlayer/” src=”http://www.yoursite.com/video.mpg” name=”MediaPlayer1″ width=280 height=256 autostart=1 showcontrols=1 volume=-450>
</object>
</div>