diff --git a/.gitignore b/.gitignore
index 5e56e04..612d800 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,6 @@
 /bin
+/gen
+/mir
+/internal-mir
+RepaField.prg
+RepaField.prg.debug.xml
diff --git a/TODO.md b/TODO.md
index 155f1cc..82cf3b5 100644
--- a/TODO.md
+++ b/TODO.md
@@ -3,3 +3,7 @@
   - configurable theme color
   - pace/speed based on sport
   - imperial unit support
+
+- hr gauge => hr zone distribution
+- track color => color coded by elevation gain/loss (or even vertical speed)
+- https://github.com/loukad/vertlover 
diff --git a/resources/drawables/drawables.xml b/resources/drawables/drawables.xml
index a22c33c..b240346 100755
--- a/resources/drawables/drawables.xml
+++ b/resources/drawables/drawables.xml
@@ -1,3 +1,4 @@
 <drawables>
     <bitmap id="LauncherIcon" filename="launcher_icon.png" />
+    <bitmap id="iconHills" filename="hills.png" />
 </drawables>
diff --git a/resources/drawables/e_gain.png b/resources/drawables/e_gain.png
new file mode 100644
index 0000000..e47d097
Binary files /dev/null and b/resources/drawables/e_gain.png differ
diff --git a/resources/drawables/e_loss.png b/resources/drawables/e_loss.png
new file mode 100644
index 0000000..246dc11
Binary files /dev/null and b/resources/drawables/e_loss.png differ
diff --git a/resources/drawables/hills.png b/resources/drawables/hills.png
new file mode 100644
index 0000000..63a7a0d
Binary files /dev/null and b/resources/drawables/hills.png differ
diff --git a/resources/layouts/layouts.xml b/resources/layouts/layouts.xml
index a034d4c..0a6fdf2 100755
--- a/resources/layouts/layouts.xml
+++ b/resources/layouts/layouts.xml
@@ -38,12 +38,12 @@
         <label id="cadenceLabel" x="12%" y="98" color="0x004488" justification="Graphics.TEXT_JUSTIFY_RIGHT" font="Graphics.FONT_SMALL" text="c"/>
 
         <!-- elevation, egain -->
+        <bitmap id="iconHills" filename="../drawables/hills.png" x="20" y="144" />
         <label id="elevation" x="13%" y="132" color="0x0088FF" justification="Graphics.TEXT_JUSTIFY_LEFT" font="Graphics.FONT_MEDIUM"/>
-        <label id="elevationLabel" x="12%" y="138" color="0x004488" justification="Graphics.TEXT_JUSTIFY_RIGHT" font="Graphics.FONT_SMALL" text="e"/>
+        <bitmap id="iconEGain" filename="../drawables/e_gain.png" x="20" y="184" />
         <label id="elevationGain" x="13%" y="172" color="0x0088FF" justification="Graphics.TEXT_JUSTIFY_LEFT" font="Graphics.FONT_MEDIUM"/>
-        <label id="elevationGainLabel" x="12%" y="178" color="0x004488" justification="Graphics.TEXT_JUSTIFY_RIGHT" font="Graphics.FONT_SMALL" text="+"/>
+        <bitmap id="iconELoss" filename="../drawables/e_loss.png" x="20" y="224" />
         <label id="elevationLoss" x="13%" y="212" color="0x0088FF" justification="Graphics.TEXT_JUSTIFY_LEFT" font="Graphics.FONT_MEDIUM"/>
-        <label id="elevationLossLabel" x="12%" y="218" color="0x004488" justification="Graphics.TEXT_JUSTIFY_RIGHT" font="Graphics.FONT_SMALL" text="-"/>
 
     </layout>
 
diff --git a/source/RepaFieldView.mc b/source/RepaFieldView.mc
index 61d7167..50219d8 100644
--- a/source/RepaFieldView.mc
+++ b/source/RepaFieldView.mc
@@ -264,6 +264,7 @@ class RepaFieldView extends WatchUi.DataField {
         // alt/egain/edrop
         var altField = View.findDrawableById("elevation") as Text;
         if (altField != null) {
+            // draw icon
             altField.setText(altitude.format("%.0f"));
         }
         var eGainField = View.findDrawableById("elevationGain") as Text;
@@ -300,6 +301,17 @@ class RepaFieldView extends WatchUi.DataField {
 
         // Call parent's onUpdate(dc) to redraw the layout
         View.onUpdate(dc);
+        // var bitmap = WatchUi.loadResource(Rez.Drawables.iconHills);
+        // dc.drawBitmap(132, 132, bitmap);
+        // TODO
+        /*
+        var bm = new WatchUi.Bitmap({
+            :rezId => Rez.Drawables.iconHills,
+            :locX => 132,
+            :locY => 132
+        });
+        bm.draw(dc);
+        */
     }
 
 }