[Galaxy S I9000 Themes and Apps] criskelo:
I put in the text (# 00000000) so that the color is transparent

Edit:

res/layout/quickpanel_quick_settings.xml

<?xml version="1.0" encoding="UTF-8"?>
<com.android.systemui.statusbar.quickpanel.QuickSettingsView android:orientation="horizontal" android:id="@id/quickpanel_quick_settings" android:background="@drawable/quickpanel_quick_settings_background" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1.0"
xmlns:android="http://schemas.android.com/apk/res/android">
<FrameLayout android:layout_width="fill_parent" android:layout_height="54.0dip" android:layout_weight="1.0">
<ImageView android:layout_gravity="center_horizontal" android:id="@id/quickpanel_wifi_btn_icon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="2.669983dip" android:src="@drawable/quickpanel_icon_wifi_off" />
<com.android.systemui.statusbar.quickpanel.WifiSettingButton android:textSize="1.0dip" android:textStyle="normal" android:textColor="#00000000" android:gravity="center_horizontal" android:id="@id/quickpanel_wifi_btn_text" android:paddingTop="54.669983dip" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="@string/quickpanel_wifi_text" android:shadowDx="1.0" android:shadowDy="1.0" />
<ImageView android:layout_gravity="bottom|center" android:id="@id/quickpanel_wifi_btn_status_icon" android:paddingLeft="2.3299866dip" android:paddingRight="2.3299866dip" android:layout_width="fill_parent" android:layout_height="5.3299866dip" android:layout_marginBottom="4.5dip" android:src="@drawable/quickpanel_icon_off" android:scaleType="fitXY" />
</FrameLayout>
<FrameLayout android:layout_width="fill_parent" android:layout_height="54.0dip" android:layout_weight="1.0">
<ImageView android:layout_gravity="center_horizontal" android:id="@id/quickpanel_bt_btn_icon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="2.669983dip" android:src="@drawable/quickpanel_icon_bluetooth_off" />
<com.android.systemui.statusbar.quickpanel.BluetoothSettingButton android:textSize="1.0dip" android:textStyle="normal" android:textColor="#00000000" android:gravity="center_horizontal" android:id="@id/quickpanel_bt_btn_text" android:paddingTop="54.669983dip" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="@string/quickpanel_bluetooth_text" android:shadowDx="1.0" android:shadowDy="1.0" />
<ImageView android:layout_gravity="bottom|center" android:id="@id/quickpanel_bt_btn_status_icon" android:paddingLeft="2.3299866dip" android:paddingRight="2.3299866dip" android:layout_width="fill_parent" android:layout_height="5.3299866dip" android:layout_marginBottom="4.5dip" android:src="@drawable/quickpanel_icon_off" android:scaleType="fitXY" />
</FrameLayout>
<FrameLayout android:layout_width="fill_parent" android:layout_height="54.0dip" android:layout_weight="1.0">
<ImageView android:layout_gravity="center_horizontal" android:id="@id/quickpanel_gps_btn_icon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="2.669983dip" android:src="@drawable/quickpanel_icon_gps_off" />
<com.android.systemui.statusbar.quickpanel.GpsSettingButton android:textSize="1.0dip" android:textStyle="normal" android:textColor="#00000000" android:gravity="center_horizontal" android:id="@id/quickpanel_gps_btn_text" android:paddingTop="54.669983dip" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="@string/quickpanel_gps_text" android:shadowDx="1.0" android:shadowDy="1.0" />
<ImageView android:layout_gravity="bottom|center" android:id="@id/quickpanel_gps_btn_status_icon" android:paddingLeft="2.3299866dip" android:paddingRight="2.3299866dip" android:layout_width="fill_parent" android:layout_height="5.3299866dip" android:layout_marginBottom="4.5dip" android:src="@drawable/quickpanel_icon_off" android:scaleType="fitXY" />
</FrameLayout>
<FrameLayout android:layout_width="fill_parent" android:layout_height="54.0dip" android:layout_weight="1.0">
<ImageView android:layout_gravity="center_horizontal" android:id="@id/quickpanel_sound_btn_icon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="2.669983dip" android:src="@drawable/quickpanel_icon_sound_on_on" />
<com.android.systemui.statusbar.quickpanel.SoundSettingButton android:textSize="1.0dip" android:textStyle="normal" android:textColor="#00000000" android:gravity="center_horizontal" android:id="@id/quickpanel_sound_btn_text" android:paddingTop="54.669983dip" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="@string/quickpanel_sound_text" android:shadowDx="1.0" android:shadowDy="1.0" />
<ImageView android:layout_gravity="bottom|center" android:id="@id/quickpanel_sound_btn_status_icon" android:paddingLeft="2.3299866dip" android:paddingRight="2.3299866dip" android:layout_width="fill_parent" android:layout_height="5.3299866dip" android:layout_marginBottom="4.5dip" android:src="@drawable/quickpanel_icon_on" android:scaleType="fitXY" />
</FrameLayout>
<FrameLayout android:layout_width="fill_parent" android:layout_height="54.0dip" android:layout_weight="1.0">
<ImageView android:layout_gravity="center_horizontal" android:id="@id/quickpanel_rotation_btn_icon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="2.669983dip" android:src="@drawable/quickpanel_icon_rotation_off" />
<com.android.systemui.statusbar.quickpanel.AutoRotationSettingButton android:textSize="1.0dip" android:textStyle="normal" android:textColor="#00000000" android:gravity="center_horizontal" android:id="@id/quickpanel_rotation_btn_text" android:paddingTop="44.669983dip" android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="@string/quickpanel_rotation_text" android:shadowDx="1.0" android:shadowDy="1.0" />
<ImageView android:layout_gravity="bottom|center" android:id="@id/quickpanel_rotation_btn_status_icon" android:paddingLeft="2.3299866dip" android:paddingRight="2.3299866dip" android:layout_width="fill_parent" android:layout_height="5.3299866dip" android:layout_marginBottom="4.5dip" android:src="@drawable/quickpanel_icon_off" android:scaleType="fitXY" />
</FrameLayout>
</com.android.systemui.statusbar.quickpanel.QuickSettingsView>

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Make text (android: textColor = "# 00000000") transparent

Redic cell size (android: layout_height = "54.0dip)

Then compare the XML to the original but that's all