Help with stabilizing trailer

I am having a terrible problem with the stabilization of my trailer. The problem is my wife can't stand it!!! She is constantly nagging be about how much it rocks around with the slightest movement. Just walking makes it move. We have a 2015 Rockwood Ultralite 2607. It has a large slide on one side and a short slide on the other and is equipped with Dexter torque flex axles and Lipper electric stabilizers. I go out and tighten them up every day with no luck. Has anyone been able to add anything to these to make them more stable. I can see a lot of the problem is they are mounted to a C channel off the frame so it's not solid to the frame. Will jacks under the slide help? Thanks for any help.