Do you think I'm a sloppy rider?

To me, you don't ride too sloppy. Okay, well (i'm not trying to be the slightest of mean) turn your foot so that your toes are in the front. Sit up and pull back your shoulders. At first, it looked like you had a chair seat, but later on you slid your leg back where it was supposed to be. Keep the of your feet on the stirrups and heels as far down as you can make them without hurting yourself. Keep your head up. Other than that, i think you ride really well! You have a very good seat!!!☻ Keep working on these things and you'll look even better than you are right now!