Rendering menu > Video Post > Video Post window > Make sure the two child events are in the order you want the Image Layer
event to use them. > Select the two events. > Video Post toolbar > Add Image Layer Event > Choose Simple Wipe Compositor from
the Layer Plug-in list.
Rendering menu > Video Post > Video Post window > Select a Simple Wipe Compositor. > Video Post toolbar > Edit Current Event
The Simple Wipe compositor reveals or erases the foreground image with a wipe transition. Unlike the Wipe filter, the Wipe layer event moves the image, sliding it in or out.
The rate of the wipe is determined by the length of the Wipe compositor's time range.