[G1 Themes and Wallpapers] mianosm:
For your reading pleasure (from the launcher AndroidManifest.xml):

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
**
** Copyright 2008, The Android Open Source Project
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
-->
<manifest
xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.launcher"
android:sharedUserId="android.uid.shared"
android:sharedUserLabel="@string/application_name">

<permission
android:name="com.android.launcher.permission.INSTALL_SHORTCUT"
android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
android:protectionLevel="normal"
android:label="@string/permlab_install_shortcut"
android:description="@string/permdesc_install_shortcut" />
<permission
android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT"
android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
android:protectionLevel="normal"
android:label="@string/permlab_uninstall_shortcut"
android:description="@string/permdesc_uninstall_shortcut"/>
<permission
android:name="com.android.launcher.permission.READ_SETTINGS"
android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
android:protectionLevel="normal"
android:label="@string/permlab_read_settings"
android:description="@string/permdesc_read_settings"/>
<permission
android:name="com.android.launcher.permission.WRITE_SETTINGS"
android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
android:protectionLevel="normal"
android:label="@string/permlab_write_settings"
android:description="@string/permdesc_write_settings"/>

<uses-permission android:name="android.permission.CALL_PHONE" />
<uses-permission android:name="android.permission.EXPAND_STATUS_BAR" />
<uses-permission android:name="android.permission.GET_TASKS" />
<uses-permission android:name="android.permission.READ_CONTACTS"/>
<uses-permission android:name="android.permission.SET_WALLPAPER" />
<uses-permission android:name="android.permission.SET_WALLPAPER_HINTS" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.WRITE_SETTINGS" />
<uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />
<uses-permission android:name="com.android.launcher.permission.WRITE_SETTINGS" />

<application
android:name="LauncherApplication"
android:process="android.process.acore"

android:label="@string/application_name"
android:icon="@drawable/ic_launcher_home">

<activity
android:name="Launcher"
android:launchMode="singleTask"
android:clearTaskOnLaunch="true"
android:stateNotNeeded="true"
android:theme="@style/Theme"
android:screenOrientation="nosensor"
android:windowSoftInputMode="stateUnspecified|adjustPan">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.HOME"/>
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.MONKEY" />
</intent-filter>
</activity>

<activity
android:name="WallpaperChooser"
android:label="@string/pick_wallpaper"
android:icon="@drawable/ic_launcher_gallery">
<intent-filter>
<action android:name="android.intent.action.SET_WALLPAPER" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>

<!-- Enable system-default search mode for any activity in Home -->
<meta-data
android:name="android.app.default_searchable"
android:value="*" />

<!-- Intent received used to install shortcuts from other applications -->
<receiver
android:name=".InstallShortcutReceiver"
android:permission="com.android.launcher.permission.INSTALL_SHORTCUT">
<intent-filter>
<action android:name="com.android.launcher.action.INSTALL_SHORTCUT" />
</intent-filter>
</receiver>

<!-- Intent received used to uninstall shortcuts from other applications -->
<receiver
android:name=".UninstallShortcutReceiver"
android:permission="com.android.launcher.permission.UNINSTALL_SHORTCUT">
<intent-filter>
<action android:name="com.android.launcher.action.UNINSTALL_SHORTCUT" />
</intent-filter>
</receiver>

<!-- The settings provider contains Home's data, like the workspace favorites -->
<provider
android:name="LauncherProvider"
android:authorities="com.android.launcher.settings"
android:writePermission="com.android.launcher.permission.WRITE_SETTINGS"
android:readPermission="com.android.launcher.permission.READ_SETTINGS" />

</application>
</manifest>

Or the Music one:

packages/apps/Music/res/layout/statusbar.xml
<?xml version="1.0" encoding="utf-8"?>
<!--
/*
** Copyright 2007, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="horizontal">

<ImageView android:id="@+id/icon"
android:padding="4dip"
android:gravity="center"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
</ImageView>

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical">

<TextView android:id="@+id/trackname"
android:textAppearance="?android:attr/textAppearanceMediumInverse"
android:focusable="true"
android:ellipsize="marquee"
android:singleLine="true"
android:layout_gravity="left"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

<TextView android:id="@+id/artistalbum"
android:textAppearance="?android:attr/textAppearanceSmallInverse"
android:layout_gravity="left"
android:maxLines="2"
android:scrollHorizontally="true"
android:ellipsize="end"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
</LinearLayout>

And for the statusbar:

/frameworks/base/tests/StatusBar$ cat AndroidManifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.statusbartest">
<uses-permission android:name="android.permission.DEVICE_POWER" />
<uses-permission android:name="android.permission.STATUS_BAR" />
<uses-permission android:name="android.permission.EXPAND_STATUS_BAR" />
<uses-permission android:name="android.permission.VIBRATE" />

<application>
<activity android:name="StatusBarTest" android:label="_StatusBar">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="NotificationTestList" android:label="_Notifications">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="ToastTest" android:label="_Toasts">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="PowerTest" android:label="_Power">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>