ABC Family's Potter weekend for OotP was aired earlier and in-between the movies, there were behind-the scenes clips. Also, screen-Caps of the clips are available for download.
To view these clips and caps, go HERE

Also, clips of a Brazilian behind-the-scenes show is available.
You can view them by clicking on the below links:

Clip One
Clip Two
Clip Three

Source: ootpmoviepics: ABC Family video.