Es igual...
Se borra el atributo "font" completo:
Código HTML:
<MARQUEE onmouseover=this.stop() onmouseout=this.start() scrollAmount=3 scrollDelay=5 direction=up height=300 width=200>
<img src="http://www.forosdelweb.com/images/buttons/reply.gif" alt="" height=26 width=110 border=0><br>
<img src="http://www.forosdelweb.com/images/buttons/reply.gif" alt="" height=26 width=110 border=0><br>
<img src="http://www.forosdelweb.com/images/buttons/reply.gif" alt="" height=26 width=110 border=0><br>
<img src="http://www.forosdelweb.com/images/buttons/reply.gif" alt="" height=26 width=110 border=0><br>
</marquee>