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Cast · Tech & gadgets
@samexplainsspecs
What a spec sheet is hiding, translated into what you will feel
A specification-literacy persona. Sam takes the number a manufacturer leads with and works out what it means in use — nits versus a sunlit desk, milliamp-hours versus a nine-hour day. No unboxings, because there is nothing to unbox.
Loads this exact spec into the builder so you can change one thing and watch the seed move.
Why it works
Spec translation is a whiteboard job. No product needs to be in hand, which removes the single hardest thing for an image model to render honestly and the single easiest claim to falsify.
What would get it caught
The tech audience is the fastest on any platform to identify a generated face. Disclose in the first ten seconds of every video, not in the description.
Character sheet
Paste the locked line verbatim into every prompt. Rewording it is the single most common cause of a face moving, and it never looks like the cause because the sentence still means the same thing to you.
Locked line
a man, late twenties, East African features, an oval face, dark brown deep-set eyes, thick straight brows, a straight nose, evenly balanced lips, a single dark mole high on the right cheekbone, cropped short tightly coiled jet black hair, deep brown skin, a matte finish, average height with a lean build
Styling line
wearing plain unbranded basics, a monochrome palette of black, white and grey, in a desk setup lit by monitor light, warm practical lamps in frame, camera at eye level
Negative prompt
beauty filter, airbrushed skin, plastic skin, waxy skin, over-smoothed, perfectly symmetrical face, extra fingers, malformed hands, warped jewellery, text artifacts, watermark, logo on clothing, duplicate person, changing facial structure, retouched cheek, oily highlight
Trait ledger
Why this route
Content pillars
Prompt kits
Each generator holds a face by a different mechanism. Placeholders in square brackets are the things only you have.
Midjourney
Character reference (--cref) plus a pinned --seed
Photograph of a man, late twenties, East African features, an oval face, dark brown deep-set eyes, thick straight brows, a straight nose, evenly balanced lips, a single dark mole high on the right cheekbone, cropped short tightly coiled jet black hair, deep brown skin, a matte finish, average height with a lean build. Wearing plain unbranded basics, a monochrome palette of black, white and grey, in a desk setup lit by monitor light, warm practical lamps in frame, camera at eye level. Medium portrait, three-quarter angle, looking into the lens. Neutral expression, hands relaxed and out of frame --ar 16:9 --style raw --seed 1631018323 --cref [url of your approved reference frame] --cw 100
Flux
LoRA on the base model, or an in-context edit from a reference
Photograph of a man, late twenties, East African features, an oval face, dark brown deep-set eyes, thick straight brows, a straight nose, evenly balanced lips, a single dark mole high on the right cheekbone, cropped short tightly coiled jet black hair, deep brown skin, a matte finish, average height with a lean build. Wearing plain unbranded basics, a monochrome palette of black, white and grey, in a desk setup lit by monitor light, warm practical lamps in frame, camera at eye level. Medium portrait, three-quarter angle, looking into the lens. Neutral expression, hands relaxed and out of frame negative: beauty filter, airbrushed skin, plastic skin, waxy skin, over-smoothed, perfectly symmetrical face, extra fingers, malformed hands, warped jewellery, text artifacts, watermark, logo on clothing, duplicate person, changing facial structure, retouched cheek, oily highlight seed: 1631018323 | guidance: 3.5 | steps: 28
Seedream
Reference image conditioning with an explicit subject lock
Photograph of a man, late twenties, East African features, an oval face, dark brown deep-set eyes, thick straight brows, a straight nose, evenly balanced lips, a single dark mole high on the right cheekbone, cropped short tightly coiled jet black hair, deep brown skin, a matte finish, average height with a lean build. Wearing plain unbranded basics, a monochrome palette of black, white and grey, in a desk setup lit by monitor light, warm practical lamps in frame, camera at eye level. Medium portrait, three-quarter angle, looking into the lens. Neutral expression, hands relaxed and out of frame Keep identical: a man, late twenties, East African features, an oval face, dark brown deep-set eyes, thick straight brows, a straight nose, evenly balanced lips, a single dark mole high on the right cheekbone, cropped short tightly coiled jet black hair, deep brown skin, a matte finish, average height with a lean build Change only: [the one thing that changes in this shot]
SD + LoRA
LoRA plus IP-Adapter, run locally
<lora:[your lora trigger word]:0.8> Photograph of a man, late twenties, East African features, an oval face, dark brown deep-set eyes, thick straight brows, a straight nose, evenly balanced lips, a single dark mole high on the right cheekbone, cropped short tightly coiled jet black hair, deep brown skin, a matte finish, average height with a lean build. Wearing plain unbranded basics, a monochrome palette of black, white and grey, in a desk setup lit by monitor light, warm practical lamps in frame, camera at eye level. Medium portrait, three-quarter angle, looking into the lens. Neutral expression, hands relaxed and out of frame Negative: beauty filter, airbrushed skin, plastic skin, waxy skin, over-smoothed, perfectly symmetrical face, extra fingers, malformed hands, warped jewellery, text artifacts, watermark, logo on clothing, duplicate person, changing facial structure, retouched cheek, oily highlight Seed: 1631018323, CFG: 6, Steps: 30, Sampler: DPM++ 2M Karras
Sora
First-frame conditioning from an approved still
Opening frame: [url of your approved reference frame] Motion: [what moves — keep it small] Camera: slow push in Duration: 8s | Aspect: 16:9
Veo
Image-to-video from a locked still, plus native audio
Image: [url of your approved reference frame] Action: [what moves — keep it small] Dialogue: "[one line of dialogue]" Camera: slow push in | Aspect: 16:9
Kling
Start-and-end frame conditioning
Start frame: [url of your approved reference frame] End frame: [url of your end frame] Motion: [what moves — keep it small] Duration: 8s
Runway
Reference-locked generation with per-shot camera control
Reference: [url of your approved reference frame] Shot: [what moves — keep it small] Camera move: slow push in Duration: 8s
HeyGen
A trained avatar, reused as an asset
Avatar: samexplainsspecs Voice: [your saved voice] Script: [your script]
ElevenLabs
A saved voice, versioned like the face
Voice: samexplainsspecs Stability: 0.45 | Similarity: 0.8 | Style: conversational Script: [your script]
Paired shots
Seated, waist up, camera slightly above eye height
Full-frame screen content, persona in a small inset in one corner
Chest up, slightly off-centre, shot on a 35mm at f/1.8
Two cards side by side on a dark surface, square crop
Disclosure
Answer yes at upload, say it aloud within the first fifteen seconds, and repeat it in the pinned comment.
Profile bio line
AI-generated character. Operated by a human who answers the comments.
Caption line
This creator is AI-generated.
AltF Persona summarises published guidance so you know which questions to ask. It is not legal advice, rules differ by market and change often, and responsibility sits with whoever operates the account.
Same niche