Want to add lens support on rail and mount on tripod, what do I need?

[SGCman]

I want to add rails to my fs100, so I can use my lens support on a heavier lens and want to be able to mount onto my tripod.

The tripod head I have:
http://www.bhphotovideo.com/c/produc...Flat_Head.html

The lens support:
http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1

Do I just need some kind of a baseplate? If so, what would work best?