You may add some image as a logo or watermark. Use Logo button on the Main screen.
Use Open button to select and open logo file.
You may use image in any common used file format for logo file.
If you need logo with transparent areas you can use GIF with transparency or TIFF with alpha channel.
Also you can paste image from Windows Clipboard. (Use Paste button).
Select overall transparency percent for the logo image from dropdown combo below the buttons.
Select rough logo placement with Align radioboxes.
To finetune logo placement set a margins in pixels or in percents of image width in Placement section.
Use Rotate buttons to rotate logo image.
At the bottom of this screen you can select a size of your logo.
If you will select size in pixels - your logo will be printed with same pixel size. Please note that if you
change whole crop size then relative size of the logo will be changed.
If you will select size in percents - your logo will be printed with different pixel size but relative size of the
logo will be the same for all crop sizes.