Hm. This may not matter for Ubuntu anymore, as Oneiric features a completely new Alt-Tab interface.
http://www.jonobacon.org/2011/08/26/ubuntu-11-10-so-far-screenshot-tour/
It looks like it will also be configurable via the Unity pane in CompizConfig Settings Manager.
http://iloveubuntu.net/alttab-ing-gets-automatic-preview-oneiric-ocelot
Hm. This may not matter for Ubuntu anymore, as Oneiric features a completely new Alt-Tab interface.
http:// www.jonobacon. org/2011/ 08/26/ubuntu- 11-10-so- far-screenshot- tour/
It looks like it will also be configurable via the Unity pane in CompizConfig Settings Manager.
http:// iloveubuntu. net/alttab- ing-gets- automatic- preview- oneiric- ocelot