From ghoullies and ghosties and long-legged beasties and things that go 'thump' in the night Good Lord, deliver us! Thus runs an old Scottish prayer. Yes, 'tis the time of the year when creepies things emerge from the boscage as dusk descends. Jack, forever cast out of hell, seeks to light his woeful way with a flickering pumpkin. The night air is rent with wails and gnashing of teeth--oops, sorry, that must be politicians. Extending a trowel-filled hand to assist the fearful (and useful to belt any spurious spirit) here are some helpful hints on what to embrace and avoid around the garden