Typo: new OpenLayers.Strategy.CenteredCluster( is: new OpenLayers.Strategy.Cluster( -- View this message in context: http://osgeo-org.1560.n6.nabble.com/Need-help-for-Cluster-strategy-using-externalGraphic-tp5037985p5038014.html Sent from the OpenLayers Users mailing list archive at Nabble.com.