Here are 2 workflows that contain the node DynamiCrafterI2V:

1.

Size: 7470 bytes

URL: https://github.com/InvisibleUniverse/iu-labs/blob/18ae94e94ec25503a54934c055bbdd5618284c6e/ComfyUI_workflow_examples/DynamiCrafter/dynamicrafter_wf.json

2.

Size: 10451 bytes

URL: https://github.com/kijai/ComfyUI-DynamiCrafterWrapper/blob/eee716377591fcf524270e977a350aaaf8bd995d/examples/dynamicrafter_i2v_example_01.json