The pilot could see the smoke trail coming from the island.

The car left a trail of blue smoke as it drove away.

The signal lay on the air like a trail of green smoke.

And then I noticed a thin trail of smoke from behind a rock.

A trail of smoke from the fires inside the house followed him as he started toward the hill.

It makes the rocket leave a smoke trail in the sky.

His eyes followed the smoke trail up to the sun near the eastern horizon.

Then she spoke, her voice rising thin as a trail of smoke.

Pena's eyes followed the trail of smoke out the window.

The smoke trail ended at the base of the observer's tree.