Fancy-pants archive of NASA images made public today:
Press Release @ MarketWatch
From the About page:
NASA Images is a service of Internet Archive ( www.archive.org ), a non-profit library, to offer public access to NASA's images, videos and audio collections. NASA Images is constantly growing with the addition of current media from NASA as well as newly digitized media from the archives of the NASA Centers.
For example:
http://www.nasaimages.org/luna/servlet/detail/nasaNAS~5~5~19895~125134:Ham-Launch
Notice that you can zoom in / out and search images. Nice timeline on front-page too. Neato.