The hand always draw images in the middle (e.g., even if I put the image in the left corner), how can I fix it?
You'll need to make sure you set the camera for your elements, otherwise they will be drawn by default in the middle of the screen.
Watch the VideoScribe tutorial series for making a scribe from start to finish. The second tutorial will show you how to set the camera to create scenes.
There's also multiple articles on the support site on setting the camera: