How to use "Gallery Slideshow"?

Adding gallery:
- Drag & drop "Gallery" from main toolbar;
- Choose Slideshow gallery composition;
- Select gallery and click pictures editing button in right toolbar;
- Click "Add Pictures" to upload pictures.
- Click "Size" in right toolbar;
- Set gallery size or select "Allow to adjust size automatically".
Customising gallery:
- Gallery pictures:
  Select gallery and click pictures in right toolbar. Add pictures title, link, address and description to have gallery with slideshow.
- Background:
  Select gallery and click background to choose background colour/opacity in right toolbar.
- Thumbnails:
  Click thumbnails border to choose border width, colour and style in right toolbar.
- Slideshow:
  Set picture change frequency and transition duration in right toolbar.
- Captions:
  Set how to show picture caption, background colour and text style in right toolbar.

Preview: