Here is where the keyword gets interesting. The term does not usually refer to the original stock photos. The "Custom" tag indicates that the base asset (the original Y057 shoot) has been modified.
Training data for the neural synthesizer may contain stylistic biases (e.g., over‑representation of Western fantasy motifs). The development team combats this by curating a and providing a “bias‑adjust” slider that re‑weights latent dimensions toward under‑represented styles.