Adding Motion: Image to Video

A still image becomes far more valuable when it moves. In 2026 the image to video tools, Runway Gen-4, Kling 2, and Google Veo, turn your generated stills into short clips with believable motion. This lesson covers how to drive them and where they still fail.

Step 1: Start from a strong still

Image to video keeps your composition and animates it, so the still does the heavy lifting. Feed in a clean, high resolution frame. Garbage in, garbage out applies double: a flawed still produces a flawed, flickering clip.

Step 2: Describe the motion, not the scene

The scene already exists in your image. Your video prompt should describe only how things move: the camera slowly pushes in, steam rises from the cup, hair drifts in the wind. Keep motion subtle for realism; big motions are where artifacts appear.

# input: your generated still of a teapot on a windowsill
motion prompt:
slow camera push in, gentle steam rising from the spout,
soft morning light flickering, everything else still

# duration: 5s   |   tool: Runway Gen-4 or Kling 2

Step 3: Stitch and grade

Clips come out 5 to 10 seconds. For anything longer, generate several and stitch them in an editor like CapCut, DaVinci Resolve, or Runway's own timeline. A consistent color grade across clips hides the seams and makes a set feel like one piece.

Result

You can turn a polished still into a clean five second clip with controlled, subtle motion, then stitch several into a longer sequence that holds together.