Try to dismember uke with a first touch, to make it looks better.
Also, instead of making replays where you look symetric, use your chest, your lumbar, twist your body.
Looking tutorials in youtube helps, because that will help you understand how joints work.
By the way, nice replays. In my first replays I think I broke my legs and my head xD
And yes, practice a lot. Mess around until you understand how each joint works.