Some new promotional photos of the new cast from Harry Potter and the Goblet of Fire are now online. The portraits depict new images of Katie Leung (Cho Chang), Stanislav Ianevski (Viktor Krum), and Robert Pattinson (Cedric Diggory) and can be viewed at the following, courtesy of MuggleThai:
Thanks to Nicky for the tip.
Update: Due to overwhelming traffic at times the MuggleThai website may become inaccesible. You can check again at a later time to view the images or you can view the scaled-down version at JustJared.