Canvas is a rich media ad format which expand more content upon interaction. An initial image is displayed before click, upon click an expansion is displayed in full screen. The expansion is divided into three sections, the first one showing off a large image. The next sections displays a slider of images included text if desired. The last section displays a video preview, upon click the whole video will play in full screen. The user can navigate between the sections using the arrow-icons.
This is a advanced ad format and will need adaptation to run on target site.