He seems heavy on the forehand, and looks like he could benefit from lots of bending and lateral exercises- figure eights, circles, serpentines, etc. You can help with the heavy on the forehand by doing lots of pole work (especially at the canter), having your trainer show you and your horse how to do leg yields, turning on the forehand, and lots of transitions.
You need some polish there, great basics you have indeed. Lengthen your leathers a hole, & get your legs back a bit further. Stick out your chest more and elbows stuck to your sides as a reminder. Now thumbs up, and think about squeezing as far back as you comfortably can on his rib cage pushing him forward into your hands, releasing when is energy needed, like squeezing a sponge lightly. Once you got that, it's perfect girl!