Take a ticket stub, plane ticket or whatever to kinkos, have them blow it up, print it on fabric transfer material to make a pillow. This would be so fun for big trips or things done as a couple (honeymoon tix, first concert together, etc)
Use a poster board , any kind of squared wood for bottom with edges and christmas lights. Cut any size holes in the posterboard . christmas lights sit on bottom of square. shape the poster board and use a thin line of hot glue to hold them together.