http://cssvault.com/ provides example of static lower corner image at http://www.visualgui.com/ "Skinning" example : http://www.csszengarden.com/152/&page=0

The orginal William Smith map : http://www.unh.edu/esci/greatmap.html first map of what cannot be seen (underground geology). A great inspiration to map other entities that cannot be seen, or have no physical manifestation (such as "ideas"). The story http://www.unh.edu/esci/mapexplan.html

Satellite Imagery Viewer: http://www.earthsat.com/ArcIMS/naturalvue/viewer.htm

"On this planet, however, getting things done has been confused with worthiness. I guess that pretty much sums up the intelligent life question." - The Universe