[OpenLayers-Users] blue marble-like alternative for a base layer?

[mc.prins]

On Monday 24 November 2008 19:30:34 Alexander Petkov wrote:
> Does anyone know of  a bathymetry/topography layer that can be used as
> an alternative to the blue marble raster dataset? Preferably public
> domain. I have seen the base raster layers used by DM Solutions, but
> don't know the orgi source for the data.

there's openaerialmap.org which is CC and/or PD licensed