Create an epic cinematic 8k wallpaper depicting Ellen Ripley in a dynamic action pose from the Alien movie; envision her in a futuristic spacecraft setting, wielding a high-tech weapon, with an intense expression against the haunting backdrop of swirling nebulae and the dark, mysterious corridors of the ship. Add subtle futuristic armor enhancements to her attire, and incorporate a faint, glowing aura around her as she stands ready to confront the lurking alien menace, capturing the heroic essence of her character.