1. Go to SHARE (see Menu bar on top. It's next to HELP)
2. Click on EXPORT
3. Choose FIXED TIMING from PLAYBACK USES menu(drop down bar)
4. For Slide Duration - set to number of seconds necessary to read the longest slide in the book trailer. See me if you need some guidance.
5. Click NEXT(blue button on bottom right corner)
6. Click EXPORT(blue button on bottom right corner)
* Exporting your presentation into a movie will take a few minutes. Be patient.
After your movie is created, upload it onto your blog!