diff --git a/vtm-android-example/src/org/oscim/android/test/BitmapTileMapActivity.java b/vtm-android-example/src/org/oscim/android/test/BitmapTileMapActivity.java
index 069b60ce..4a6b9c3b 100644
--- a/vtm-android-example/src/org/oscim/android/test/BitmapTileMapActivity.java
+++ b/vtm-android-example/src/org/oscim/android/test/BitmapTileMapActivity.java
@@ -17,7 +17,10 @@ package org.oscim.android.test;
 import org.oscim.android.MapActivity;
 import org.oscim.android.MapView;
 import org.oscim.android.cache.TileCache;
+import org.oscim.backend.canvas.Color;
+import org.oscim.layers.TileGridLayer;
 import org.oscim.layers.tile.BitmapTileLayer;
+import org.oscim.renderer.MapRenderer;
 import org.oscim.tiling.source.TileSource;
 import org.oscim.tiling.source.bitmap.DefaultSources;
 
@@ -48,6 +51,9 @@ public class BitmapTileMapActivity extends MapActivity {
 		mMapView = (MapView) findViewById(R.id.mapView);
 		registerMapView(mMapView);
 
+		MapRenderer.setBackgroundColor(0xff777777);
+		mMap.getLayers().add(new TileGridLayer(mMap, Color.GRAY, 1.8f, 8));
+
 		if (USE_CACHE) {
 			mCache = new TileCache(this, null, mTileSource.getClass().getSimpleName());
 			mCache.setCacheSize(512 * (1 << 10));
diff --git a/vtm/src/org/oscim/layers/TileGridLayer.java b/vtm/src/org/oscim/layers/TileGridLayer.java
index 1d2760e7..7ab673a5 100644
--- a/vtm/src/org/oscim/layers/TileGridLayer.java
+++ b/vtm/src/org/oscim/layers/TileGridLayer.java
@@ -1,7 +1,10 @@
 package org.oscim.layers;
 
+import org.oscim.backend.canvas.Paint.Cap;
 import org.oscim.map.Map;
 import org.oscim.renderer.GridRenderer;
+import org.oscim.theme.styles.Line;
+import org.oscim.theme.styles.Text;
 
 public class TileGridLayer extends GenericLayer {
 
@@ -9,4 +12,11 @@ public class TileGridLayer extends GenericLayer {
 		super(map, new GridRenderer());
 	}
 
+	public TileGridLayer(Map map, int color, float width, int repeat) {
+		super(map, new GridRenderer(repeat, new Line(color, width, Cap.BUTT), null));
+	}
+
+	public TileGridLayer(Map map, int color, float width, Text text, int repeat) {
+		super(map, new GridRenderer(repeat, new Line(color, width, Cap.BUTT), text));
+	}
 }