[Galaxy S II Themes and Apps] Mirko ddd:
it s the same thing

it s the same thing doing this:

decompile SystemUI.apk with apk manager;

edit res/layout/status_bar.xml replacing..

<?xml version="1.0" encoding="utf-8"?>
<com.android.systemui.statusbar.StatusBarView android:orientation="vertical" android:background=[COLOR="red"]"ff000000"[/COLOR][COLOR="Green"]"@drawable/example"[/COLOR] android:focusable="true" android:descendantFocusability="afterDescendants"
xmlns:android="http://schemas.android.com/apk/res/android">
<LinearLayout android:orientation="horizontal" android:id="@id/icons" android:layout_width="fill_parent" android:layout_height="fill_parent">
<com.android.systemui.statusbar.IconMerger android:gravity="center_vertical" android:orientation="horizontal" android:id="@id/notificationIcons" android:paddingLeft="6.0dip" android:layout_width="0.0dip" android:layout_height="fill_parent" android:layout_weight="1.0" android:layout_alignParentLeft="true" />
<LinearLayout android:gravity="center_vertical" android:orientation="horizontal" android:id="@id/statusIcons" android:paddingRight="6.0dip" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_alignParentRight="true" />
<com.android.systemui.statusbar.Clock android:textAppearance="@android:style/TextAppearance.StatusBar.Icon" android:textSize="16.0sp" android:gravity="center_vertical" android:id="@id/clock" android:paddingRight="6.0dip" android:layout_width="wrap_content" android:layout_height="fill_parent" android:singleLine="true" />
</LinearLayout>
<LinearLayout android:orientation="horizontal" android:id="@id/ticker" android:paddingLeft="6.0dip" android:animationCache="false" android:layout_width="fill_parent" android:layout_height="fill_parent">
<ImageSwitcher android:id="@id/tickerIcon" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_marginRight="8.0dip">
<com.android.systemui.statusbar.AnimatedImageView android:layout_width="25.0dip" android:layout_height="25.0dip" />
<com.android.systemui.statusbar.AnimatedImageView android:layout_width="25.0dip" android:layout_height="25.0dip" />
</ImageSwitcher>
<com.android.systemui.statusbar.TickerView android:id="@id/tickerText" android:paddingTop="2.0dip" android:paddingRight="10.0dip" android:layout_width="0.0dip" android:layout_height="wrap_content" android:layout_weight="1.0">
<TextView android:textAppearance="@android:style/TextAppearance.StatusBar.Ticker" android:id="@id/ticker_1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:singleLine="true" />
<TextView android:textAppearance="@android:style/TextAppearance.StatusBar.Ticker" android:id="@id/ticker_2" android:layout_width="fill_parent" android:layout_height="wrap_content" android:singleLine="true" />
</com.android.systemui.statusbar.TickerView>
</LinearLayout>
<com.android.systemui.statusbar.DateView android:textAppearance="@android:style/TextAppearance.StatusBar.Icon" android:gravity="left|center" android:id="@id/date" android:background=[COLOR="Red"]"ff000000"[/COLOR][COLOR="green"]"@drawable/example"[/COLOR] android:paddingLeft="6.0px" android:paddingRight="6.0px" android:layout_width="wrap_content" android:layout_height="fill_parent" android:singleLine="true" />
</com.android.systemui.statusbar.StatusBarView>

and example is an png image with size 480x38 you have to place in res/drawable-hdpi named example.png

so easy :)