[pricechild]

Incase anyone really does want to do this: http://www.gdal.org/gdalwarp.html is awesome.

[erroneousfunk]

But he had the map data and the text data all compressed into a single image -- the text would have been warped as well.

[pricechild]

Hopefully someone will find it useful for the reverse, warping an overlay image to place on top.