diff --git a/WallpaperPicker/src/com/android/launcher3/Partner.java b/WallpaperPicker/src/com/android/launcher3/Partner.java
index d3c825d..d172ce9 100644
--- a/WallpaperPicker/src/com/android/launcher3/Partner.java
+++ b/WallpaperPicker/src/com/android/launcher3/Partner.java
@@ -24,6 +24,8 @@
 import android.content.res.Resources;
 import android.util.Log;
 
+import java.io.File;
+
 /**
  * Utilities to discover and interact with partner customizations. There can
  * only be one set of customizations on a device, and it must be bundled with
@@ -40,6 +42,9 @@
     public static final String RESOURCE_WALLPAPERS = "partner_wallpapers";
     public static final String RESOURCE_DEFAULT_LAYOUT = "partner_default_layout";
 
+    public static final String RESOURCE_DEFAULT_WALLPAPER_HIDDEN = "default_wallpapper_hidden";
+    public static final String RESOURCE_SYSTEM_WALLPAPER_DIR = "system_wallpaper_directory";
+
     private static boolean sSearched = false;
     private static Partner sPartner;
 
@@ -94,4 +99,16 @@
                 "xml", getPackageName());
         return folder != 0;
     }
+
+    public boolean hideDefaultWallpaper() {
+        int resId = getResources().getIdentifier(RESOURCE_DEFAULT_WALLPAPER_HIDDEN, "bool",
+                getPackageName());
+        return resId != 0 && getResources().getBoolean(resId);
+    }
+
+    public File getWallpaperDirectory() {
+        int resId = getResources().getIdentifier(RESOURCE_SYSTEM_WALLPAPER_DIR, "string",
+                getPackageName());
+        return (resId != 0) ? new File(getResources().getString(resId)) : null;
+    }
 }
diff --git a/WallpaperPicker/src/com/android/launcher3/SavedWallpaperImages.java b/WallpaperPicker/src/com/android/launcher3/SavedWallpaperImages.java
index 44bfdf1..2bdf8f1 100644
--- a/WallpaperPicker/src/com/android/launcher3/SavedWallpaperImages.java
+++ b/WallpaperPicker/src/com/android/launcher3/SavedWallpaperImages.java
@@ -34,8 +34,6 @@
 import android.widget.BaseAdapter;
 import android.widget.ListAdapter;
 
-import com.android.photos.BitmapRegionTileSource;
-
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -49,39 +47,17 @@
     Context mContext;
     LayoutInflater mLayoutInflater;
 
-    public static class SavedWallpaperTile extends WallpaperPickerActivity.WallpaperTileInfo {
+    public static class SavedWallpaperTile extends WallpaperPickerActivity.FileWallpaperInfo {
         private int mDbId;
-        private Drawable mThumb;
-        public SavedWallpaperTile(int dbId, Drawable thumb) {
+        public SavedWallpaperTile(int dbId, File target, Drawable thumb) {
+            super(target, thumb);
             mDbId = dbId;
-            mThumb = thumb;
         }
-        @Override
-        public void onClick(WallpaperPickerActivity a) {
-            String imageFilename = a.getSavedImages().getImageFilename(mDbId);
-            File file = new File(a.getFilesDir(), imageFilename);
-            BitmapRegionTileSource.FilePathBitmapSource bitmapSource =
-                    new BitmapRegionTileSource.FilePathBitmapSource(file.getAbsolutePath(), 1024);
-            a.setCropViewTileSource(bitmapSource, false, true, null);
-        }
-        @Override
-        public void onSave(WallpaperPickerActivity a) {
-            boolean finishActivityWhenDone = true;
-            String imageFilename = a.getSavedImages().getImageFilename(mDbId);
-            a.setWallpaper(imageFilename, finishActivityWhenDone);
-        }
+
         @Override
         public void onDelete(WallpaperPickerActivity a) {
             a.getSavedImages().deleteImage(mDbId);
         }
-        @Override
-        public boolean isSelectable() {
-            return true;
-        }
-        @Override
-        public boolean isNamelessWallpaper() {
-            return true;
-        }
     }
 
     public SavedWallpaperImages(Activity context) {
@@ -98,7 +74,8 @@
         SQLiteDatabase db = mDb.getReadableDatabase();
         Cursor result = db.query(ImageDb.TABLE_NAME,
                 new String[] { ImageDb.COLUMN_ID,
-                    ImageDb.COLUMN_IMAGE_THUMBNAIL_FILENAME }, // cols to return
+                    ImageDb.COLUMN_IMAGE_THUMBNAIL_FILENAME,
+                    ImageDb.COLUMN_IMAGE_FILENAME}, // cols to return
                 null, // select query
                 null, // args to select query
                 null,
@@ -112,7 +89,9 @@
 
             Bitmap thumb = BitmapFactory.decodeFile(file.getAbsolutePath());
             if (thumb != null) {
-                mImages.add(new SavedWallpaperTile(result.getInt(0), new BitmapDrawable(thumb)));
+                mImages.add(new SavedWallpaperTile(result.getInt(0),
+                        new File(mContext.getFilesDir(), result.getString(2)),
+                        new BitmapDrawable(thumb)));
             }
         }
         result.close();
@@ -136,15 +115,7 @@
             Log.e(TAG, "Error decoding thumbnail for wallpaper #" + position);
         }
         return WallpaperPickerActivity.createImageTileView(
-                mLayoutInflater, position, convertView, parent, thumbDrawable);
-    }
-
-    public String getImageFilename(int id) {
-        Pair<String, String> filenames = getImageFilenames(id);
-        if (filenames != null) {
-            return filenames.second;
-        }
-        return null;
+                mLayoutInflater, convertView, parent, thumbDrawable);
     }
 
     private Pair<String, String> getImageFilenames(int id) {
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
index 6c58da0..5d4fb2b 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
@@ -300,10 +300,10 @@
         return 0;
     }
 
-    protected void setWallpaper(String filePath, final boolean finishActivityWhenDone) {
-        int rotation = getRotationFromExif(filePath);
+    protected void setWallpaper(Uri uri, final boolean finishActivityWhenDone) {
+        int rotation = getRotationFromExif(this, uri);
         BitmapCropTask cropTask = new BitmapCropTask(
-                this, filePath, null, rotation, 0, 0, true, false, null);
+                this, uri, null, rotation, 0, 0, true, false, null);
         final Point bounds = cropTask.getImageBounds();
         Runnable onEndCrop = new Runnable() {
             public void run() {
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
index b5e34cf..0979357 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -17,6 +17,7 @@
 package com.android.launcher3;
 
 import android.animation.LayoutTransition;
+import android.annotation.TargetApi;
 import android.app.ActionBar;
 import android.app.Activity;
 import android.app.WallpaperInfo;
@@ -61,12 +62,12 @@
 import android.view.WindowManager;
 import android.view.animation.AccelerateInterpolator;
 import android.view.animation.DecelerateInterpolator;
+import android.widget.ArrayAdapter;
 import android.widget.BaseAdapter;
 import android.widget.FrameLayout;
 import android.widget.HorizontalScrollView;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
-import android.widget.ListAdapter;
 import android.widget.Toast;
 
 import com.android.photos.BitmapRegionTileSource;
@@ -109,6 +110,8 @@
 
     public static abstract class WallpaperTileInfo {
         protected View mView;
+        public Drawable mThumb;
+
         public void setView(View v) {
             mView = v;
         }
@@ -194,10 +197,36 @@
         }
     }
 
+    public static class FileWallpaperInfo extends WallpaperTileInfo {
+        private File mFile;
+
+        public FileWallpaperInfo(File target, Drawable thumb) {
+            mFile = target;
+            mThumb = thumb;
+        }
+        @Override
+        public void onClick(WallpaperPickerActivity a) {
+            BitmapRegionTileSource.UriBitmapSource bitmapSource =
+                    new BitmapRegionTileSource.UriBitmapSource(a, Uri.fromFile(mFile), 1024);
+            a.setCropViewTileSource(bitmapSource, false, true, null);
+        }
+        @Override
+        public void onSave(WallpaperPickerActivity a) {
+            a.setWallpaper(Uri.fromFile(mFile), true);
+        }
+        @Override
+        public boolean isSelectable() {
+            return true;
+        }
+        @Override
+        public boolean isNamelessWallpaper() {
+            return true;
+        }
+    }
+
     public static class ResourceWallpaperInfo extends WallpaperTileInfo {
         private Resources mResources;
         private int mResId;
-        private Drawable mThumb;
 
         public ResourceWallpaperInfo(Resources res, int resId, Drawable thumb) {
             mResources = res;
@@ -237,8 +266,8 @@
         }
     }
 
+    @TargetApi(Build.VERSION_CODES.KITKAT)
     public static class DefaultWallpaperInfo extends WallpaperTileInfo {
-        public Drawable mThumb;
         public DefaultWallpaperInfo(Drawable thumb) {
             mThumb = thumb;
         }
@@ -431,9 +460,9 @@
         };
 
         // Populate the built-in wallpapers
-        ArrayList<ResourceWallpaperInfo> wallpapers = findBundledWallpapers();
+        ArrayList<WallpaperTileInfo> wallpapers = findBundledWallpapers();
         mWallpapersView = (LinearLayout) findViewById(R.id.wallpaper_list);
-        BuiltInWallpapersAdapter ia = new BuiltInWallpapersAdapter(this, wallpapers);
+        SimpleWallpapersAdapter ia = new SimpleWallpapersAdapter(this, wallpapers);
         populateWallpapersFromAdapter(mWallpapersView, ia, false);
 
         // Populate the saved wallpapers
@@ -484,20 +513,6 @@
         pickImageInfo.setView(pickImageTile);
         pickImageTile.setOnClickListener(mThumbnailOnClickListener);
 
-        // Add a tile for the default wallpaper
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
-            DefaultWallpaperInfo defaultWallpaperInfo = getDefaultWallpaper();
-            if (defaultWallpaperInfo != null) {
-                FrameLayout defaultWallpaperTile = (FrameLayout) createImageTileView(
-                        getLayoutInflater(), 0, null, mWallpapersView, defaultWallpaperInfo.mThumb);
-                setWallpaperItemPaddingToZero(defaultWallpaperTile);
-                defaultWallpaperTile.setTag(defaultWallpaperInfo);
-                mWallpapersView.addView(defaultWallpaperTile, 0);
-                defaultWallpaperTile.setOnClickListener(mThumbnailOnClickListener);
-                defaultWallpaperInfo.setView(defaultWallpaperTile);
-            }
-        }
-
         // Select the first item; wait for a layout pass so that we initialize the dimensions of
         // cropView or the defaultWallpaperView first
         mCropView.addOnLayoutChangeListener(new OnLayoutChangeListener() {
@@ -889,9 +904,9 @@
         v.setOnLongClickListener(mLongClickListener);
     }
 
-    private ArrayList<ResourceWallpaperInfo> findBundledWallpapers() {
+    private ArrayList<WallpaperTileInfo> findBundledWallpapers() {
         final PackageManager pm = getPackageManager();
-        final ArrayList<ResourceWallpaperInfo> bundled = new ArrayList<ResourceWallpaperInfo>(24);
+        final ArrayList<WallpaperTileInfo> bundled = new ArrayList<WallpaperTileInfo>(24);
 
         Partner partner = Partner.get(pm);
         if (partner != null) {
@@ -901,6 +916,34 @@
             if (resId != 0) {
                 addWallpapers(bundled, partnerRes, partner.getPackageName(), resId);
             }
+
+            // Add system wallpapers
+            File systemDir = partner.getWallpaperDirectory();
+            if (systemDir != null && systemDir.isDirectory()) {
+                for (File file : systemDir.listFiles()) {
+                    if (!file.isFile()) {
+                        continue;
+                    }
+                    String name = file.getName();
+                    int dotPos = name.lastIndexOf('.');
+                    String extension = "";
+                    if (dotPos >= -1) {
+                        extension = name.substring(dotPos);
+                        name = name.substring(0, dotPos);
+                    }
+
+                    if (name.endsWith("_small")) {
+                        // it is a thumbnail
+                        continue;
+                    }
+
+                    File thumbnail = new File(systemDir, name + "_small" + extension);
+                    Bitmap thumb = BitmapFactory.decodeFile(thumbnail.getAbsolutePath());
+                    if (thumb != null) {
+                        bundled.add(new FileWallpaperInfo(file, new BitmapDrawable(thumb)));
+                    }
+                }
+            }
         }
 
         Pair<ApplicationInfo, Integer> r = getWallpaperArrayResourceId();
@@ -912,9 +955,12 @@
             }
         }
 
-        // Add an entry for the default wallpaper (stored in system resources)
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
-            ResourceWallpaperInfo defaultWallpaperInfo = getPreKKDefaultWallpaperInfo();
+        if (partner == null || !partner.hideDefaultWallpaper()) {
+            // Add an entry for the default wallpaper (stored in system resources)
+            WallpaperTileInfo defaultWallpaperInfo =
+                    (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT)
+                    ? getPreKKDefaultWallpaperInfo()
+                    : getDefaultWallpaper();
             if (defaultWallpaperInfo != null) {
                 bundled.add(0, defaultWallpaperInfo);
             }
@@ -963,6 +1009,7 @@
         return null;
     }
 
+    @TargetApi(Build.VERSION_CODES.KITKAT)
     private DefaultWallpaperInfo getDefaultWallpaper() {
         File defaultThumbFile = new File(getFilesDir(), DEFAULT_WALLPAPER_THUMBNAIL_FILENAME);
         Bitmap thumb = null;
@@ -1011,7 +1058,7 @@
         }
     }
 
-    private void addWallpapers(ArrayList<ResourceWallpaperInfo> known, Resources res,
+    private void addWallpapers(ArrayList<WallpaperTileInfo> known, Resources res,
             String packageName, int listResId) {
         final String[] extras = res.getStringArray(listResId);
         for (String extra : extras) {
@@ -1058,37 +1105,24 @@
         }
     }
 
-    private static class BuiltInWallpapersAdapter extends BaseAdapter implements ListAdapter {
-        private LayoutInflater mLayoutInflater;
-        private ArrayList<ResourceWallpaperInfo> mWallpapers;
+    private static class SimpleWallpapersAdapter extends ArrayAdapter<WallpaperTileInfo> {
+        private final LayoutInflater mLayoutInflater;
 
-        BuiltInWallpapersAdapter(Activity activity, ArrayList<ResourceWallpaperInfo> wallpapers) {
+        SimpleWallpapersAdapter(Activity activity, ArrayList<WallpaperTileInfo> wallpapers) {
+            super(activity, R.layout.wallpaper_picker_item, wallpapers);
             mLayoutInflater = activity.getLayoutInflater();
-            mWallpapers = wallpapers;
-        }
-
-        public int getCount() {
-            return mWallpapers.size();
-        }
-
-        public ResourceWallpaperInfo getItem(int position) {
-            return mWallpapers.get(position);
-        }
-
-        public long getItemId(int position) {
-            return position;
         }
 
         public View getView(int position, View convertView, ViewGroup parent) {
-            Drawable thumb = mWallpapers.get(position).mThumb;
+            Drawable thumb = getItem(position).mThumb;
             if (thumb == null) {
                 Log.e(TAG, "Error decoding thumbnail for wallpaper #" + position);
             }
-            return createImageTileView(mLayoutInflater, position, convertView, parent, thumb);
+            return createImageTileView(mLayoutInflater, convertView, parent, thumb);
         }
     }
 
-    public static View createImageTileView(LayoutInflater layoutInflater, int position,
+    public static View createImageTileView(LayoutInflater layoutInflater,
             View convertView, ViewGroup parent, Drawable thumb) {
         View view;