Wedding- Wedding aisle decorations: pretty leaves or flower petals sprinkled along sides. If you do this you really don't need a runner. And the color is up to you, but soft peach fall colors shown here.
Fun idea to use! Personalized Wedding Favor Bags- Rustic Paper Bags in Custom Colors and Fonts. You were talking about possibly buying instead of DIYing paper bags. This is a lil pricey but would probably save a lil time and sanity.