Air Bags on Trailers

I was looking at my trailer last night and noticed I have a couple bad leaves in the springs. I think it would be fairly simple to do a bagged setup under it? Anyone else done one? This is a picture of what I'm thinking

Sorry I think I should have posted this in Off Topic?

i climbed under my trailer once and looked at doing a bag set up on it. it has the torsion axels so i figured i'd need to 4 link each axel seperately and possibly work some kind of sway bar into the set up. never did get around to doing it thou

Mine is a straight axle/leaf spring setup. Would I have to rig up some sort of panard bar with a 2 link like the pictures? it doesn't look like it has anything?