This site features (localized) RSS feeds of the Astronomy Picture Of the Day.

The main purpose is to use them with my Opera SpeedDial extension:
Astronomy Picture Of the Day Opera SpeedDial extension

Available feeds:
• english, http://www.star.ucl.ac.uk/~apod/apod/
• deutsch, http://www.starobserver.org/
• español, http://observatorio.info/
• русский, http://www.astronet.ru/db/apod.html