(This article was first published on Omnia sunt Communia! » R-english, and kindly contributed to R-bloggers)
Agustin Lobo has recently published some good tutorials about rasterVis:
- Introduction to rasterVis
- Overlay your raster layer on a backround GoogleMaps layer
- Overlay vectors on raster layers
- Vectorplot
Regarding the second tutorial, there has been an interesting discussion in the R-sig-Geo mailing list about the projection of the ggmap output.

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