This is an interaction that demonstrates how you can scroll through a series of images or other content without leaving the current page.
To use a Lectora Online Library Object (.wwo), select Library Objects > Insert a Library Object on the Tools ribbon. On the dialog box that opens, click the Import From File button and browse to the .wwo file you want to import. Once the file is located, click the Import button and the Library Object will expand in the Title Explorer of the current title automatically.
To use a Lectora Desktop Library Object (.awo), simply drag and drop the .awo file into the open Lectora application and it will expand in the Title Explorer of the current title automatically.
For more information about using, saving, reusing, and sharing Lectora Library Objects for both Lectora Desktop and Lectora Online, see this article from the Knowledge Base.