Epic cinematic wallpaper of Ellen Ripley from Alien movie, her face determined and intense, wearing a battered white tank top stained and gritty, camera captures her in an action-packed half-body pose, her forehead and cheeks glistening with sweat, close-up shot, photorealistic and cinematic quality, enhanced with VFX post-production, utilizing RTX ray tracing for dramatic lighting, ultra-realistic with hyper-detailed texture, high-definition resolution suitable for 4K and 8K display, captured with a classic Mitchell BNC camera lens effect, rendered in exquisite detail with Octane render engine.