en el menu esta en :
o si no
cambias a la vista de codigo
y pones :
<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="600" height="600">
<param name="movie" value="tuflash.swf">
<param name="quality" value="high">
<embed src="tuflash.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="600" height="600"></embed>
</object>
Saludos