mxd = mapping.MapDocument("Current")
df = arcpy.mapping.ListDataFrames(mxd)[0]
arcpy.env.overwriteOutput = True

for lyr in arcpy.mapping.ListLayers(mxd):
    if lyr.name == "that_layer":
        oid_fieldname = arcpy.Describe(lyr).featureClass.OIDFieldName

        with arcpy.da.SearchCursor(lyr.name, ["OID@","adr_for"]) as cursor:
            for row in cursor:
                expression = """{} = {}""".format(oid_fieldname, row[0])
                arcpy.SelectLayerByAttribute_management (lyr.name, "NEW_SELECTION", expression)
                df.zoomToSelectedFeatures()
                arcpy.mapping.ExportToPNG(mxd, out_folder + "\" + lyr.name + "\" + row[1][8:] + "#"+ str(row[0]) +'.png', resolution = 300)

        arcpy.SelectLayerByAttribute_management(lyr.name, "CLEAR_SELECTION")