Just Launched: You can now import projects and releases from Google Code onto SourceForge
We are excited to release new functionality to enable a 1-click import from Google Code onto the Allura platform on SourceForge. You can import tickets, wikis, source, releases, and more with a few simple steps. Read More
Maybe we can replace the data from general tutorial with unknown licence by OSM and natural earth data.
Not sure, however, what image data we could use. Maybe there is something older imagery freely available (Landsat, ASTER, SPOT, ...) .