Index: applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/JMapViewer.java
===================================================================
--- applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/JMapViewer.java	(revision 29161)
+++ applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/JMapViewer.java	(revision 29162)
@@ -3,18 +3,12 @@
 //License: GPL. Copyright 2008 by Jan Peter Stotz
 
-import java.awt.Color;
 import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.Graphics;
-import java.awt.Image;
 import java.awt.Insets;
 import java.awt.Point;
-import java.awt.Rectangle;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.MouseEvent;
-import java.awt.font.TextAttribute;
-import java.awt.geom.Rectangle2D;
-import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
@@ -99,5 +93,5 @@
      */
     public JMapViewer() {
-        this(new MemoryTileCache(), 4);
+        this(new MemoryTileCache(), 8);
         new DefaultMapController(this);
     }
@@ -105,4 +99,5 @@
     public JMapViewer(TileCache tileCache, int downloadThreadCount) {
         super();
+        JobDispatcher.WORKER_THREAD_MAX_COUNT = downloadThreadCount;
         tileSource = new OsmTileSource.Mapnik();
         tileController = new TileController(tileSource, tileCache, this);