beribazoo

go to modules > positions and click on transplant button.

you will see there form to manage modules positions.

from first dropdown select "block cart" module

from second dropdown select "displayRightColumn" hook.

then just press transplant button.

after that go to modules > positions again and search for displayTop modules list.

unhook block cart module from this hook (unhok it from this hook only!!!)

voila your cart will be expanded and it will appear in the right column.

you can also change position of the cart block within this hook, just search for displayRIghtColumn modules list and drag n drop module to the new position