MSR MapCruncher for Virtual Earth

http://research.microsoft.com/mapcruncher/

Uses affines or quadratic alignments between Virtual Earth and almost
any other graphic file:

"MapCruncher makes it easy to publish maps overlaid on Virtual Earth.
Once you are familar with the tool, it will take you about ten minutes
to crunch a new map. Just find 5 to 10 corresponding landmarks on your
map and on Virtual Earth, and MapCruncher will register your map to
the global coordinate system, warp it to fit a Mercator projection,
and generate a set of image tiles that can be seamlessly mashed up
with VE's standard road or aerial imagery. It even makes a sample HTML
page to show you how to use your mashed-up map.

MapCruncher accepts a variety of vector formats (PDF, WMF, EMF) and
raster formats (JPG, PNG, TIFF, GIF, BMP). "