how do I make the unity launcher icons smaller [closed]

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http://askubuntu.com – Possible Duplicate: How do I shrink the Unity launcher icons to make them smaller? I'm looking for a way to make my desktop icons (Unity launchbar) smaller. I installed ccsm and then tried Alt/F2 and entered "about config". However, when I enter "about config", a purple Unity icon comes up, but when I click on it, nothing happens. (HowTos)