Shadow: This toolbar option applies a drop shadow to the selected items. The Drop Shadow dialog is displayed.
Bring To Front: This toolbar option raises the selected items to the top of your photo collage.
Send To Back: This toolbar option sends the selected items to the back of your collage. Items which are Sent To Back will always display in front of your collage’s background.
Set As Background: This toolbar option will set the selected item as the background for your photo collage.
Background Settings: This toolbar option allows you to customize your photo collage’s background. The Background Settings dialog is displayed.