Daisy is driving the car, with Gatsby sitting next to her; on the road. I chose a nice pink colored dress for Daisy with her blonde hair up; that's how I imagine she would look. I chose a nice fancier outfit for Gatsby with his lighter colored hair; that's how I would imagine he'd look. I chose a light yellow colored car with the style that I imagine Gatsby's car would exactly look like.
This is a closer view of Daisy and Gatsby in the car, driving together. They are Gatsby's yellow car.
Myrtle is running out in the road, because she sees the car she saw Tom in earlier and wants to get his attention; and talk to him. She does not realize it is not Tom who is in the car; but Gatsby and Tom's wife, Daisy. I put her hand up to look as if she was getting ready to wave the car down, and made her look like she was running.
Myrtle is now in the middle of the road waving the car down; who she still thinks is Tom. I tilted the car that way to make it look like it was coming right at her.
Daisy; who is driving the car hits Myrtle head on and kills her. I used that facial expression on Myrtle's face to make her look lifeless and knocked out. I had her sit like that to show that she just got hit and is on the ground.
Daisy does not stop the car. She just leaves Myrtle there lifeless, on the road, and keeps driving. She did not have a care in the world that she was dead, and felt no remorse; she even had a little smirk on her face. She was trying to kill her, and succeeded.