The instructions for the ghosts were in Country Living (slide #7) and they are really simple to make. You'll need those white tissue paper honeycomb wedding bells that you find at party stores and black construction paper or cardstock for their eyes and mouths. (The magazine suggested glue dots to stick them on but I didn't have any so I just used my hot glue gun.) Then drape cheesecloth over the ghosts and there you go.
I saw the recipe for the candy corn cookies on a blog and then later found it on the Land O'Lakes website. The only difference was the blogger used sanding sugar on hers at the end. I just used granulated. These are just sugar cookies made to look like candy corn and are easy to make. You can find step-by-step photos here.