Humminbird SI transducer mount

I had several questions about how my transducers were mounted so I took a couple of pictures.
The Humminbird 1197 transducer is mounted on the rear. I used a 3/4" piece of hard plastic and bolted that to the boat then mounted the transducer to that plastic plate using 3/4" screws. The thought was I could make adjustments to the placement of the transducer which is very important without worrying about putting holes in my boat.
The Humminbird 797 transducer is mounted on the trolling motor with the Humminbird trolling motor mounting kit.
So far this is working great for me.