When a compass point is called out i.e. North or South East; the Scouts have to lay on the floor and join up with another Scout(s) to make the initial of that point. Example - 2 Scouts would be needed to make the N in North and 4 Scouts would be needed to make the SW in South West. Should lead to some interesting contortions. if you have enough Scouts, you could try 3 points i.e. NSW. After a trial run, any Scout not part of the shape would be out.
After initial trial - give a countdown of say 5 seconds to get into the shape. Running time depends on how complicated you want to make it.