LTX prompt library

LTX prompt library on Morphic

Tested LTX prompts you can copy and run on Morphic. Each one explains what the parts do, so you can adapt rather than guess.

Ink dropped into still water

A locked macro shot holds on a tank of still water. A single drop of black ink enters from above and unfurls downward in slow branching plumes, the threads thinning and curling back on themselves until the water is veined through. Hard backlight from behind the tank, everything else black, ink against clear. 4K macro, 100mm, shallow plane. Slow continuous spread with no current pushing it. About 8 seconds. <a faint water hiss, room tone>. No music.

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Candle wax running

A locked close shot holds on the upper third of a burning candle. Molten wax pools at the wick, swells against the rim, then breaks over one side and runs down the shaft, slowing and going opaque as it cools into a ridged trail. A single warm flame as the only light, deep black surround, ivory and amber. 4K macro, 100mm, shallow depth. A slow build, a break, a cooling crawl. About 8 seconds. <a candle flame guttering>. No music.

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Soap film shifting colour

A locked macro shot holds on a soap film stretched across a small wire loop. Bands of magenta, gold and green drift slowly downward across the film as it thins from the top, the colours widening and going black at the crown just before it bursts. A single soft source raking across the surface, black behind. 4K macro, 100mm, shallow plane. Slow colour migration, then a sudden collapse. About 8 seconds. <a faint pop>. No music.

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Steam off a cup

A locked close shot holds just above a dark ceramic cup. Steam rises in a slow twisting column, curls over on itself and breaks apart as a faint draught crosses it, re-forming lower down. A hard backlight from behind picking out every wisp, the background falling to black, white vapour against near-black. 4K, 85mm, shallow depth. Continuous rise with one break and a recovery. About 8 seconds. <a very faint room hum>. No music.

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Crema forming under an espresso

A locked close shot holds on a small clear glass. A dark espresso stream falls in and a hazelnut crema builds on top, the layers separating into visible bands that swirl briefly and then settle flat with a fine bubble pattern. Hard backlight through the glass, everything else dark, amber over near-black. 4K macro, 100mm, shallow depth. A build, a swirl, a flat settle. About 8 seconds. <a machine hum, a thin pour>. No music.

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Dough tearing to show its structure

A locked close shot holds on two hands and a piece of slack dough. The hands draw the dough apart steadily and it thins into a translucent sheet before tearing, fine strands stringing across the gap and snapping back to either side. Broad soft light from above, flour on the surface, warm white against dark wood. 4K, 85mm, shallow depth. A slow pull, a thinning window, a clean tear. About 8 seconds. <a soft tearing, flour dusting>. No music.

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Frost creeping across glass

A locked macro shot holds on a pane of cold glass. Frost crystallises from the bottom left corner and advances across the pane in feathered fingers, each branch throwing smaller branches sideways until the whole surface is furred white. Cold blue light from outside raking across the surface, a warm interior glow far behind. 4K macro, 100mm, flat plane. Steady directional growth, never jumping. About 10 seconds. <a very faint ticking of cooling glass>. No music.

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Rust blooming on steel

A locked overhead shot holds on a clean steel plate. Orange oxide appears at three separate points and spreads outward in ragged blooms, the patches roughening and darkening at their centres until they meet and cover most of the surface. Flat even light, no directional shadow, cold grey turning to rust and umber. 4K, 50mm, flat plane. Growth from seed points that merge. About 10 seconds. <a low industrial room tone>. No music.

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Honey folding onto itself

A locked close shot holds on a dark spoon. A thread of honey falls onto it and coils into a slow rising stack, each loop settling into the one below before the whole pile slumps sideways and flattens. A hard light from behind lighting the honey through, deep black around it, gold against near-black. 4K macro, 100mm, shallow depth. Coiling, stacking, a slow slump. About 8 seconds. <a soft viscous pour>. No music.

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Butter going clear in a pan

A locked overhead shot holds on a black steel pan. A cube of butter slides across the hot surface leaving a trail, foams white at its edges, then collapses into a clear golden pool that spreads to the pan walls and shivers. Warm overhead light with one hard reflection on the pan, yellow against near-black. 4K, 50mm, flat plane. A slide, a foam, a clean collapse. About 8 seconds. <a rising sizzle>. No music.

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Sugar going amber

A locked close shot holds on a shallow copper pan. White sugar melts from the edges inward, going glassy and clear, then flushing through straw to deep amber as thin wisps of smoke lift from the darkest patches at the rim. One warm overhead source, copper glowing at the edge of frame, white to gold to bronze. 4K, 85mm, shallow depth. A slow continuous darkening, no stirring. About 10 seconds. <a faint bubbling>. No music.

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Condensation running down a glass

A locked close shot holds on a cold glass. Fine condensation beads across the surface, two beads swell until they touch and merge, then the combined drop breaks free and runs down cutting a clear track through the fog behind it. Hard backlight from behind the glass, deep shadow around, clear against frosted white. 4K macro, 100mm, shallow plane. Beading, a merge, a sudden run. About 8 seconds. <a faint fridge hum>. No music.

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Dough proving in a bowl

A locked shot holds level with the rim of a ceramic bowl. A pale dough rises steadily inside it, doming above the rim, the surface stretching and dulling as bubbles push up under the skin and one seam splits open near the edge. Warm kitchen light from the right, flour dust on the rim, cream and terracotta. 4K, 50mm, shallow depth. Slow continuous expansion at a constant rate. About 10 seconds. <a low room hum, a faint tick>. No music.

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Two pigments folding together

A locked overhead shot holds on a glass palette. A knife draws a band of deep ultramarine through a band of lead white, folding one into the other in ribbons that stay distinct at their edges rather than blending to grey. Broad soft light from above, no hotspot, blue and white against clear glass. 4K, 50mm, flat plane. Slow deliberate folding, edges holding. About 8 seconds. <a knife scraping glass>. No music.

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Match head igniting

A locked extreme macro shot holds on a match head. The head scrapes, catches with a burst of white sparks that throw outward, then settles into a teardrop flame that leans and steadies as the head blackens and curls. Almost no ambient light, the flame lighting itself, white and orange against black. 4K macro, 100mm, very shallow depth. A violent flare that decays into a steady burn. About 6 seconds. <a strike, a soft roar, then a quiet flame>. No music.

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Tempered chocolate rippling

A locked overhead shot holds on a cold marble slab. Dark tempered chocolate falls in a ribbon onto the marble, folding into itself in tight ripples before the surface relaxes and spreads to a flat glossy sheet with one held ridge at the edge. Broad soft light with a single specular sheen travelling across the surface, deep brown against pale grey. 4K, 50mm, flat plane. Ribbon, ripple, relax. About 8 seconds. <a thick pour, a spatula tap>. No music.

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Cheese pulling apart

A locked close shot holds level with the plate. A slice lifts slowly away from a baked dish and the cheese between them draws into strands that thin, sag under their own weight and finally part one at a time rather than all together. Warm low key from the right, steam drifting up, gold and deep brown. 4K, 85mm, shallow depth. A slow steady pull, strands failing in sequence. About 8 seconds. <a soft stretch, a quiet crackle>. No music.

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Batter hitting the griddle

A locked overhead shot holds on a flat griddle. A ladle of batter lands centre and spreads into a circle, the edge creeping outward and setting matte while small bubbles rise and burst across the surface leaving open craters. Warm even light, one soft reflection off the griddle, cream against dark steel. 4K, 50mm, flat plane. Spread and bubble together, edge setting first. About 8 seconds. <a sizzle, small pops>. No music.

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Ice releasing what it held

A locked close shot holds on a clear block of ice on a dark tray. The block melts unevenly, water running off in sheets and pooling below, until a brass key frozen at its centre is released and settles onto the wet tray. A hard low light from the side throwing caustics through the ice, warm brass against cold blue-white. 4K, 85mm, shallow depth. Steady melting with one release. About 10 seconds. <dripping water, a small metallic settle>. No music.

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Milk turning in tea

A locked overhead shot holds on a dark cup of tea. Milk enters from below and blooms upward through the surface in expanding pale rings that fold into scrolls at their edges, marbling across the top before the whole cup goes uniformly fawn. A soft window light from the left, one gentle highlight on the rim, cream through amber to brown. 4K, 85mm, flat plane. Bloom, scroll, dissolve. About 8 seconds. <a spoon set down, a quiet cafe hum>. No music.

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FAQs

How do I use these LTX prompts?
Pick any prompt, copy it, and paste it into Morphic with LTX selected. Each brief names its picture and its sound, so you can change either one without rewriting the other.
What is LTX best at?
Making the sound and the picture together. LTX 2.3 generates synced audio in the same pass rather than scoring a finished clip, so a prompt that describes the sound gets a result where the two actually match.
Does LTX handle vertical video?
Yes, natively, up to 4K at 50 fps. Vertical is not a crop of a widescreen frame here, so a prompt written for 9:16 can stage the action for that shape instead of working around it.
How do I write the audio in an LTX prompt?
Name the specific sounds and their source in the scene. "Rain on a tin roof, a kettle starting to whistle" gives the model something to sync to; "ambient sound" gives it nothing.
Can I use the videos commercially?
The prompts here describe original scenes and fictional subjects, so what you generate is yours to use. Avoid prompting for real logos, trademarks, or a living person's likeness, and keep your final use in line with Morphic's terms.