Upload your presentation file to SlideShare; or use an existing slideshow that was uploaded earlier. Go to Edit slideshow>Create Slidecast tab. Enter the mp3 url Synchronize slides & audio using the synchronization tool Click Publish
Another exciting thing about SlideShare is… Embedding Youtube Videos inside SlideShare presentations.
How? Upload to SlideShare as usual Go to Edit slideshow>>Insert YouTube videos tab. Paste the YouTube URL into the box. Select where you want the video to appear in your presentation from the dropdown. Hit “Insert and Publish” and you’re done! The video will now appear inside your presentation.
It only takes a moment - start uploading now, and let your slides do the talking!