Taking the match-clinching penalty is an unforgiving task. Get Cristiano's advice on scoring from the spot every time you step up.<br /><br /><br /><img src="http://ll.broadbandsports.com/images/37666_thumb.jpg" alt="Ronaldo - match-clinching penalty kick" title="Ronaldo - match-clinching penalty kick" width="150" height="90" alt="Ronaldo - match-clinching penalty kick"/>
