Ungroup with alt tab

Solution 1:

Alt+~ will allow you to switch between windows of the same app. i don't know how to turn it off permanently, but it will allow you to navigate them.

Additional hint: I have a German keyboard and a German Keyboard layout. Nevertheless the Alt+~ works with the same key where the English keyboard has, so for German users it is Alt+^ .

Solution 2:

In the "Window Management" section of CompizConfig Settings Manager(CCSM) there are a few window switcher options that have the "All windows" feature. Application Switcher is a basic 2d switcher while Ring Switcher and Shift Switcher offer more eye candy. Whichever one you pick, remember to set hot keys for the bindings marked "All windows".