Post development drill.

place a chair at the free throw line and put a ball on it, have a coach/manager stand behind the chair.
O1 starts inside of the chair, he has low stance position, grabs the ball and executes a drob step power move. after the shot he passes the ball to the coach, who places the ball on the cahir.
now O1 repeats to the opposite side.

try to score as many baskets as possible in 60 seconds.

powerful finish in the paint.

use differnet moves.
place a defender behind O1, who challenges his shots.