Ron and Harry in the Forbidden Forest

This picture shows Ron and Harry on a foggy night on their way in the Forbidden Forest, most probably in the scene
 where they will meet Aragog, the monstrous spider (acromantula).

Harry and Ron

A picture inside the chamber of secrets

Gilderoy Lockhart

Harry reading in Tom Riddle's Diary?

Daniel Radcliffe on the CoS set

These images are © Warner Bros.