Possible Duplicate:
Can Unity display a Launcher icon for Spread Mode?
I need to build a Unity launcher item to activate Compiz Scale. How do I do that?
Possible Duplicate:
Can Unity display a Launcher icon for Spread Mode?
I need to build a Unity launcher item to activate Compiz Scale. How do I do that?
U can replicate Super+W using Ubuntu Tweak.. This method doesn't give u a Launcher Item but its something easier, this is how its done.
Download it from here and Install it http://ubuntu-tweak.com/
Run it, Go to the Tweaks Tab.
Go to Compiz Settings. Do what's shown in the image to customize Ur workspace edges.
Everytime u touch the bottom right corner all ur active windows are displayed and u can switch among them easily.