If you still have questions about Zinedine Zidane's World Cup head butt, <A HREF="http://news.zdnet.com/2100-1009_22-6095215.html?tag=zdnn.alert">be careful where you look</A> for answers on the Web. Miscreants are using the incident in the final of the soccer World Cup as bait to install malicious code onto the PCs of unwitting sports fans, Websense Security Labs warned on Friday.