I obviously havn't got a Bannsider brain, is 22d islay ? land cut off from scotland by water current and ice,i?l?y and is 12a migraines? weaknesses besetting hopelessly gutless Italian wartime...
As usual, I'm stuck! I've filled in most of the grid, but my 'spare' letters make no sense (probably got some wrong?) As for 'sevens' I've looked at the film, dwarfs, sisters, wonders of the world...