http://antwrp.gsfc.nasa.gov/apod/astropix.html

A friend sends this: "here is a picture of Comet Wild's nucleus taken by Stardust."

Comet Wild: http://antwrp.gsfc.nasa.gov/apod/astropix.html
(APOD 1/304)

and for comparison

Comet Halley: http://antwrp.gsfc.nasa.gov/apod/ap000805.html

Comet Borrelly: http://antwrp.gsfc.nasa.gov/apod/ap010926.html