Tutorial7 min readSeptember 13, 2026

How to Make an AI Jiggle Video from One Photo (VdoBloom Jiggle Effect)

Step-by-step guide to VdoBloom's Jiggle Video effect: the four motion templates, the photo that works best, real credit costs per model and duration, and a worked example.

To make an AI jiggle video, open the Jiggle Video tab on VdoBloom, upload one sharp photo of a single person, pick one of the four motion templates — Natural, Subtle, Dynamic or Smooth — choose a model and duration, then generate. A 5-second 720p clip on Runway Gen-3 costs 10 credits, about $0.50, and every new account starts with 10 free credits and no card, so your first jiggle video can cost nothing at all.

What the jiggle effect actually does

The jiggle effect is a secondary-motion effect, not a body editor. VdoBloom takes your still photo, builds a motion keyframe from it, and hands that to the video model with a prompt that hard-locks everything you did not ask to change. The default instruction the tab sends reads, in part: apply natural, realistic jiggle motion to the subject, and preserve facial features, body proportions, pose, lighting, shadows and background exactly as in the original image.

That is the honest scope. The clip adds physically plausible follow-through — fabric settling, hair carrying through a movement, a bounce that damps out — to a subject who is otherwise standing exactly where you photographed them. It does not reshape anyone, does not move them across the room, and does not invent a new outfit. If you want the subject to turn, walk or dance, jiggle is the wrong tab.

Jiggle runs on VdoBloom’s keyframe pipeline, the same route used by Kissing, Bikini, Gym, Twerk and Body Shake. That pipeline supports the native effect model families only — Runway, Kling, PixVerse and Vidu — so the model picker on this tab is deliberately shorter than the one on a plain image-to-video job.

One rule before you upload anything: if the photo shows a real person who is not you, you must have that person’s consent to animate their likeness. Explicit and illegal content stays blocked on every VdoBloom model regardless of tab.

The photo that works best

Jiggle is driven entirely by one still, so the still decides the result. What consistently works:

  • One person, clearly separated from the background. Busy crowds give the model competing edges and the motion smears.
  • Waist-up or full-body framing. A tight head-and-shoulders crop has almost nothing for secondary motion to act on.
  • Sharp focus and even light. Motion blur in the source becomes warble in the video.
  • Fabric with some drape. A loose top, a dress hem or long hair reads far better than stiff, structured clothing.
  • Vertical 9:16 crops if the clip is going to Reels, Shorts or a status post. Pick the matching aspect ratio in settings rather than cropping afterwards.

The four jiggle templates

The tab ships four templates, and each one swaps the whole prompt rather than nudging a slider. They differ in amplitude and in how fast the motion damps out.

  • Natural — everyday intensity, as though the subject has just shifted their weight. Soft secondary motion carries through fabric and hair and settles quickly. This is the default and the safest pick.
  • Subtle — restrained, low-amplitude movement that reads as a living photograph rather than an effect. Motion damps out fast with minimal follow-through. Best when you want the clip to look like a still that simply breathes.
  • Dynamic — a pronounced, energetic impulse with visible follow-through, as though the subject has just landed or spun. Highest risk of an odd frame, highest payoff when it lands.
  • Smooth — a slow, continuous motion that eases in and out with no sharp acceleration, closer to a gentle sway than a bounce. Long, even damping across the whole movement.

If you are unsure, render Natural first at the cheapest tier, then re-render the same photo on Dynamic only if Natural is too quiet.

Credit cost by model, duration and resolution

Credits convert at a flat rate: the Lite plan is $15 for 300 credits, so one credit is $0.05. These are the live per-job costs for the models the Jiggle tab offers.

ModelTierCreditsDollar costNotes
Runway Gen-3720p, 5s10$0.50Cheapest jiggle on the platform; fits inside the 10 free credits
Runway Gen-31080p, 5s20$1.00Same motion, sharper delivery file
Runway Gen-31080p, 10s30$1.50Best value for a long loop
Vidu Q3 Turbo720p, 5s20$1.00Durations 5s, 8s and 16s; audio supported
Vidu Q3 Turbo1080p, 8s35$1.75Strong mid-tier for fabric motion
PixVerse v5.5720p, 5s35$1.75Style presets available on this family
PixVerse v5.51080p, 10s70$3.50Longest PixVerse tier on this tab
Kling V2.5 Turbo5s, fixed resolution40$2.00No quality or aspect selector; strong physics
Kling V2.5 Turbo10s80$4.00Premium tier for hero clips
Runway Gen-4.55s48$2.40Most cinematic, no quality selector
Runway Gen-4.510s96$4.80Top of the tab

Credits are deducted only after the provider accepts the job, so a request that is rejected up front does not cost you anything. Paid plans download the result watermark-free with commercial rights; see the watermark-free guide for how that works across tabs, and pricing for the current plan and credit-pack tiers. One-time packs start at $2.49 for 75 credits and never expire.

The exact steps

  1. Go to the Jiggle Video tab.
  2. Upload one photo in the Upload Photo slot. One person, one image — this tab does not take a second photo.
  3. Pick a template. Each one has a preview clip, so watch Natural and Dynamic back to back before committing.
  4. Choose your model. Start on Runway Gen-3 at 720p/5s while you are testing the photo; move to Kling V2.5 Turbo or Runway Gen-4.5 once you know the framing works.
  5. Set duration, resolution and aspect ratio. 9:16 for vertical social, 16:9 for YouTube or a landing page.
  6. Optionally edit the prompt box. The template text is already loaded; add to it rather than replacing it.
  7. Generate, then download. The job runs in the background and lands in your creations list.

Prompting it well

The template prompt is doing the heavy lifting, and most of its length is protective language. When you edit, add a clause; do not delete the preservation clauses about facial features, body proportions, pose, lighting, shadows and background, because those are the reason the subject still looks like the subject.

Useful additions: one camera instruction (slow push-in, locked-off frame), a material note (silk catches the movement, loose hair sways), or a damping note (motion settles within one second). Unhelpful: multiple simultaneous actions, anything about changing clothing, and instructions that fight the preservation clauses.

A worked example

Source: a vertical 9:16 photo of a woman in a loose summer dress on a balcony, shot in the late afternoon, sharp, full body, uncluttered background.

Settings: Smooth template, Runway Gen-3, 720p, 5 seconds, 9:16. Prompt left at the template default with one added clause — the dress hem and hair carry the movement; the camera stays locked off. Cost: 10 credits, $0.50.

Result: a five-second loop where the fabric and hair sway and settle while the balcony, the light and her face stay identical to the photo. If that reads too quiet for a Reel, the same photo on Dynamic at the same 10-credit tier gives a clear impulse and visible follow-through, and only then is it worth spending 40 credits on Kling V2.5 Turbo for the final version.

When to pick a different effect

Jiggle keeps the subject planted. For more than secondary motion, other tabs are built for it: Body Shake turns the person around first and then adds shaking motion; Twerk and Sexy Dance are full choreography; Fashion Walk moves the subject through the frame. All sit on the same keyframe pipeline and price the same way per model.

Frequently asked questions

How much does one AI jiggle video cost?

From 10 credits — $0.50 — for a 5-second 720p clip on Runway Gen-3, up to 96 credits ($4.80) for 10 seconds on Runway Gen-4.5. New accounts get 10 free credits with no card, which covers exactly one cheapest-tier render.

Can I upload two photos to the Jiggle tab?

No. Jiggle takes a single image. Two-photo effects such as Kissing, Hugging and Lift & Carry have their own tabs with a second upload slot.

Will it change the person’s body?

It is not meant to. The prompt explicitly locks body proportions, pose and identity, and adds motion on top. If you see anatomy drift, it is usually a soft or low-resolution source photo — re-upload a sharper still before blaming the model.

Which model gives the most realistic motion?

Kling V2.5 Turbo and Runway Gen-4.5 handle physics and follow-through best, at 40 and 48 credits for five seconds. Runway Gen-3 at 10 credits is the right place to test framing before you spend that.

Do I need permission to animate someone else’s photo?

Yes. If the photo shows a real person other than you, you need their consent before you animate their likeness, and explicit content stays blocked on every model regardless.

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