The shadow of a distant tree slid across Sally's face.

A shadow slid across her face and she looked out at something the two men couldn't see.

A bland mask seemed to slide into place across the dark man's face.

The first touch of real anger slid across her face.

He did look up then, amazing blue eyes wide, the beginnings of panic sliding across his face.

I looked away, my eyes sliding across Claire's face.

He couldn't resist the grin sliding across his face.

Slanting sun slid across his face, leaving him in shadow.

He slid a hand across his face, feeling its stubble.

In due time, a relieved smile slid across the young man's face.