Beautiful Images on this Avalon page!
Here are a couple I saw today here:
Astronomy Picture of the Day
http://antwrp.gsfc.nasa.gov/apod/ap041209.html
Jupiter and Moon's Shadowed Horizon 12/9/2004
Castle and Full Moon 4/16/2009
Moon Lightning 10/7/2004
April's Moon and the Pleiades 5/14/2005