Okay, you know you can upload your PowerPoint presentation to your blog, but sometimes the size is so large it’s a real pain for your visitors to download it.
Enter SlideShare (http://www.slideshare.net/). When you upload your presentation, it provides a viewable online version of your presentation. If you add sound to it, that will be available as well.
Check out this sample:
To user it on our site, copy the WordPress embed code immediately below the presentation and paste it in to your post using the HTML editor.
Note: you must enable the SlideShare MU plugin for your presentation to display!