Shortcuts for Gutsy Compiz Fusion:

'Normal' Effects

• Switch windows = Alt + Tab
• Arrange and View All Windows = Moving the pointer to the top right screen corner turns on or off; clicking a window will zoom it to the front
• Switch desktops on cube = Ctrl + Alt + Left/Right Arrow
• Switch desktops on cube - with active window following = Ctrl + Shift + Alt + Left/Right Arrow
• Rotate cube manually = Ctrl + Alt + left-click and grab an empty desktopspace.
• Make window translucent/opaque = possible with the "transset" utility or Alt + wheel mouse
• Zoom-in once = Super-key right-click
• Zoom-in manually = Super-key + wheel mouse up
• Zoom-out manually = Super-key + wheel mouse down
• Move window = Alt + left-click
• Snap Move window (will stick to borders) = Ctrl + Shift + left-click
• Resize window = Alt + right-click
• Bring up the window below the top window = Alt + middle-click

'Extra' Effects

• Slow-motion = Shift + F10
• Water = hold Ctrl+Super key
• Rain = Shift-F9

random shortcuts: http://en.opensuse.org/Compiz more here: http://ubuntuforums.org/showthread.php?t=494548