Open Xara and press the
New Animation button to open Xara's animation window. Import the truck animation.If you're not already on the rear view of the truck use the Next Frame button to advance to this view.
Draw a rectangle the same size as the back of the truck. Add text and group both and center them over the truck.
Copy the group to the clipboard (Ctrl-C)
Advance to the next frame. Paste
the group and align with the left side of the back.