I'll give you my two cents.
Watch the you tube videos of Belmonte. Particularly there is one that compares Belmonte to Osku. Both have far more spine tilt at the line than you do. The spine tilt creates a much longer flat spot at the bottom so their swings planes are much flatter than yours. I actually like Osku's delivery a little better even though Belmonte is the better bowler. Osku drives of the front of his right foot but Belmonte drives off the side of his foot. Your right foot is turned out like Belmonte's. You plant and pull I think due to a lack of spine tilt. You tend to fall off to the right. I notice that your head is actually right of the ball at the top. I'm not sure if that is a factor or not but it might indicate that your balance is leaning a little right and therefore you sometimes fall off to the right.
Overall I think you look pretty good. If the ball is comfortable in your hand then it is probably right. I assume you would tend to hold the ball so that it sits the flattest in your palm with both your gripping fingers feeling like they are spanned equally.
BTW I am not a coach. I can only watch and compare and I could be wrong.
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