In the "Design' section of iSlide add-in, click [Design Layout] >> "Add/Remove Watermark"
Insert watermark into presentation
Click on [Add/Remove Watermark], choose the watermark, click [Add Watermark] and [Use Selected Shapes]
Select the slides that you want to add watermarks into, for example, [Selected Slides]
Watermarks can be pictures, shapes, texts and more
Add a copyright notation text
Add a small logo
Including Hiden Slides
"Including Hiden Slides" option is chosen by default, meaning that the watermark can be added into or remove from hidden page.
Click on [Add/Remove Watermark], choose the watermark, click [Delete Watermark] and [Use Selected Shapes],
Select the slides that you want to add watermarks into, for example, [All Slides]
[Delete Watermark] is only applicable to watermarks added via [Add/Remove Watermark] feature of iSlide
The watermarks added via [Add/Remove Watermark] of iSlide has its own mark. When you click [Delete Watermark], the watermarks will be deleted according to their mark, not their position.
The layout of this example is selected from the [Diagram Library] of iSlide. The diagrams downloaded in the [Diagram Library] inlcude no pictures by default. You can use the [Picture Library] feature to insert the pictures you need.
Insert pictures / Add fill effect in diagram
Click on the shape need to be filled
Click on the Format tab >> Shape Fill >> Picture
Find the folder that contains the picture you need, click that picture and then click Insert
Click the "Tile an image as texture" option if you need