@super84 yes, but I think its okay, everyone who has more then 2iq will get the most country codes by itself, otherwise just google. I think its ever harder to scroll in the select menu.
@andykaufseo I didn't read all thread, but here is answer for original question.
You can insert only to new group, which is created with Create Group action.
Create Group returns group id, which can be used later inside Insert Record action.
There will be interface to search/edit/delete groups but later.