On the Collage menu, click "Collage Panel Setting" to make general settings for your collage.

Preset Paper Size: Select a paper size for your collage. If you select Customize, you can set the paper size by inputting the width and the height values.

Orientation: Choose Portrait (vertical) or Landscape (horizontal) as the orientation of your collage.

Background: Choose solid color, gradient color or an image from your hard disc as the background of your collage. If you select Image, click the Load button to add an image from your hard disc as the background. And you can select Tile, Center or Stretch to place the added image to the background of your collage.