This is done by making sure there's a foreground & a background. One of these elements is in focus, while the other isn't. To achieve this, add a main element in front of the camera while distancing your main subject.
Adding doodles to your images can be a fun and interesting addition. It's definitely guaranteed to stop people's scrolls.
Adding animations to your photos will distinguish your images from the rest of your competitor's, which will allow your followers to do a double take and check your photo again.