A few new images from 'Goblet of Fire' have emerged, showing several different characters at different points in the film.

McGonagall and Dumbledore at the Yule Ball

Ron Weasley looking a tad miffed

Cho Chang in her dress robes

Rita and her photographer at the last task

More images (including shots of Cho and Fleur) can be seen here.

Thanks to UHP for the links!