Trailer
With the trailer, you can navigate into the source folder, a simple click on a thumbnail replace the current view by the image clicked.
The trailer can be shown or hidden with the button Trailer on the left side of the Tool Bar or into the Global menu.

The slider located under the trailer enables you to move quickly the thumbnails.
Shortcuts |
|
T | Show - hide the trailer |
Arrow Right | Move to the right, activated if the trailer has the focus |
Arrow Left | Move to the left, activated if the trailer has the focus |
When the cursor is over the trailer, the mouse wheel can be used instead of the arrow keys.