Fall Inside Glass.
You can create this beautiful terrarium by using a shallow terracotta bowl dish lined with moss and covered with a bell jar.
You can create this by finding some unique leaves and framing them in double sided glass picture frames.
White pumpkin center piece.
You can find white decorative pumpkins at many craft stores. The white really goes well with orange accents.
Cattails in a vase are simple and stunning.
Wheat is such a simple and beautiful plant. You can use it to make this beautiful wreath. Add a couple maple leaves for character.
Some Inspiration from http://www.midwestliving.com/