[ubuntu] How to enable the compiz-like effects on Ubuntu 12.04

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http://ubuntuforums.org – Hello everyone. I would like to know how can I enable the compiz-like effects on ubuntu 12.04. I assume I have a problem because I can't change the launcher's icons size either, I don't see the slider on the appearance section of system settings. I'm running Ubuntu 12.04 on an HP dv-5 laptop with this hardware: Microprocessor 2.40GHz Intel Core i5-450M Processor with Turbo Boost Technology Memory 4 GB DDR3 DIMM Video Graphics Intel HD Graphics with up to 1696MB total graphics Just for the record, when installing ubuntu, I had to use the nomodeset option at boot because if I didn't the desk (Hardware)