For those who haven't visited.

_42
Mon, 25 Apr 2005 03:30:36 +0000

there is the default large image but you choose the source for the zoom from the top

just click the boxes at the top to change that and they get progressively more detailed as you go from left to right.

The usgs urban area othro is the best, though it only has data for a few places. That is the source I used for the stanford pic