How do you stop gear cables pinging the frame?

curlyrobert
curlyrobert Posts: 150
edited April 2008 in Workshop
every pedal stroke makes my gear cable lightly ping against the carbon frame making an annoying noise, why does this happen and how can I make it stop?!
the day I stop dreaming of upgrades is the day die!

http://farm4.static.flickr.com/3370/3261181810_727612440a_o.jpg My Stable

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