Turbo Beaver Amphibian problems

I downloaded a file (dehavilland.zip, FSX props, page 4) from Simviation and have a couple issues with it.
First, I can't get the plane to stop moving forward after landing on the water unless I stop the engine.
Second, the plane keeps hopping out of the water.
Any ideas as to what would need to be tweaked?
First, I can't get the plane to stop moving forward after landing on the water unless I stop the engine.
Second, the plane keeps hopping out of the water.
Any ideas as to what would need to be tweaked?