Better Homes and Gardens shared this great idea on how to re purpose old salvaged garden border fencing into a very decorative trellis for climbing vine plants.
By hanging it upside down and attaching it to your porch you will add aesthetic appeal to your home with flowing flowering beauty.
There are no more instructions but this is where I found the idea:
http://www.bhg.com/gardening/design/decorate-your-garden/#page=20