Carpet aisle décor:
Instead of decorating the aisle with flowers and other usual stuff you can decorate them with carpet laid on the floor that you use at home than the one that you use for the wedding to make it look unique.
Dangling frame booth idea:
Suspend an empty frame from the tree branch and this can be used as a photo booth for your guests. This will look simple and interesting as your guests can click as many pictures from behind this empty frame.
Flower box as drink cooler:
Make use of the flower box as drink cooler stand during outdoor weddings with ice placed in it and it will look unique and inviting too. The long stand with partition in it will allow you to place the drinks neatly arranged in it.
Polaroid booth:
How about this instant Polaroid booth where your guests can click instant photos and hang them with clothespin to the ropes and leave back the fond and happy memories for your to see later on.
Rustic table décor:
This is a rustic table décor with some wood sticks and fresh flowers tied as a bundle and placed on the table to make it look beautiful.