Trailer Advice Needed

I recently bought a 8 X 8 trailer that I'm going to deck out into my very own rafting trailer rig. I'm going to screenshot a picture of the trailer below and would love for your opinions on how I should deck it out?

My boat is a brand new Super Duper Puma from Air. 14" X 6"10'

• Are roller bars and a pully the beez kneez?
• If you were to do planks up on top of the rails, would you carpet those planks?