diff --git a/DroidFish/res/values/strings.xml b/DroidFish/res/values/strings.xml
index 80f17ca..34391dd 100644
--- a/DroidFish/res/values/strings.xml
+++ b/DroidFish/res/values/strings.xml
@@ -329,6 +329,7 @@ you are not actively using the program.\
     <string name="engine_terminated">Engine terminated</string>
     <string name="uci_protocol_error">UCI protocol error</string>
     <string name="start_new_game">Start New Game?</string>
+    <string name="strength_cuckoo_hint">Use the CuckooChess engine for even lower strength.</string>
 
     <string name="err_too_few_spaces">Too few spaces</string>
     <string name="err_invalid_piece">Invalid piece</string>
diff --git a/DroidFish/src/org/petero/droidfish/DroidFish.java b/DroidFish/src/org/petero/droidfish/DroidFish.java
index fc02571..862506e 100644
--- a/DroidFish/src/org/petero/droidfish/DroidFish.java
+++ b/DroidFish/src/org/petero/droidfish/DroidFish.java
@@ -132,13 +132,15 @@ public class DroidFish extends Activity implements GUIInterface {
 
     // FIXME!!! Show extended book info. (Win percent, number of games, performance rating, etc.)
     // FIXME!!! Green color for "main move". Red color for "don't play in tournaments" moves.
-
-    // FIXME!!! Add anti-lamer test: 8/8/8/8/8/8/3R3r/k3K2R w K - 0 1 bm O-O
-    // FIXME!!! Add anti-lamer test: 4kr2/8/8/4PpN1/8/8/4Q3/3RK3 w - f6 0 2 bm exf6
+    // FIXME!!! ECO opening codes
 
     // FIXME!!! Remember multi-PV analysis setting when program restarted.
     // FIXME!!! Use high-res buttons from Scid on the go.
 
+    // FIXME!!! Option to display coordinates in border outside chess board.
+    // FIXME!!! Hard to understand how to undo a single half-move.
+    // FIXME!!! Hard to understand how "save game" works.
+
     // FIXME!!! Better behavior if engine is terminated. How exactly?
     // FIXME!!! Handle PGN intents with more than one game.
     // FIXME!!! Make engine hash size configurable.
diff --git a/DroidFish/src/org/petero/droidfish/SeekBarPreference.java b/DroidFish/src/org/petero/droidfish/SeekBarPreference.java
index 53217a9..2b98466 100644
--- a/DroidFish/src/org/petero/droidfish/SeekBarPreference.java
+++ b/DroidFish/src/org/petero/droidfish/SeekBarPreference.java
@@ -26,6 +26,7 @@ import android.content.SharedPreferences;
 import android.content.res.TypedArray;
 import android.graphics.Typeface;
 import android.preference.Preference;
+import android.preference.PreferenceManager;
 import android.util.AttributeSet;
 import android.view.Gravity;
 import android.view.KeyEvent;
@@ -38,6 +39,7 @@ import android.widget.LinearLayout;
 import android.widget.SeekBar;
 import android.widget.TextView;
 import android.widget.SeekBar.OnSeekBarChangeListener;
+import android.widget.Toast;
 
 /** Lets user enter a percentage value using a seek bar. */
 public class SeekBarPreference extends Preference
@@ -46,6 +48,7 @@ public class SeekBarPreference extends Preference
     private final static int DEFAULT_VALUE = 1000;
     private int currVal = DEFAULT_VALUE;
     private TextView currValBox;
+    private boolean showStrengthHint = true;
 
     public SeekBarPreference(Context context) {
         super(context);
@@ -187,6 +190,16 @@ public class SeekBarPreference extends Preference
         SharedPreferences.Editor editor =  getEditor();
         editor.putInt(getKey(), progress);
         editor.commit();
+        if ((progress == 0) && showStrengthHint) {
+            SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(getContext());
+            String engine = settings.getString("engine", "stockfish");
+            if ("stockfish".equals(engine)) {
+                showStrengthHint = false;
+                if (getKey().equals("strength"))
+                    Toast.makeText(getContext(), R.string.strength_cuckoo_hint,
+                                   Toast.LENGTH_LONG).show();
+            }
+        }
     }
     @Override
     public void onStartTrackingTouch(SeekBar seekBar) {