This guide will show you how to stop Compiz-Fusion from loading automatically on startup in Hardy Heron and how to setup a shortcut for launching Compiz when you want.
Step 1: Run gconf-edit
Start Run Application by pressing Alt+F2
Enter gconf-editor into the box, hit enter
Step 2: Set Metacity as your default start up window manager
Once in gconf-editor navigate to desktop>gnome>applications>window_manager
under current and default replace each instance of:
/usr/bin/compiz with /usr/bin/metacity
it should like this when you're done:
Step 3: Create a shortcut for starting Compiz-Fusion
right click the Applications Places System Menu
select the Edit Menu option
pick a location for your shortcut and select New Item box
Command: compiz --replace
COmment compiz window manager
An Compiz icon pack for your shortcut. Includes some old, new and proposed icons for Compiz.