On Fri, Jul 30, 2010 at 7:58 AM, Adam Ratcliffe <adam at prema.co.nz> wrote: > How do I do this in GeoExt? You can update the openlayers map css, something like: .olMap { background-color: red; } Example: http://map.geoportail.lu/, a background image is used. fredj -- Frédéric Junod Camptocamp SA