Below is a list of websites like SlideRocket / services like / similar to SlideRocket :
With a full set of professional design tools SlideRocket helps you create breathtaking presentations that will wow your audience. Combine themes and layouts, shapes, charts, tables, pictures, audio, HD video, and Flash to tell your story without compromise.
SlideRocket goes way beyond its desktop counterparts and offers you the power of the Internet. Easily integrate content from free public web resources like Flickr or YouTube and utilize plug-ins from Yahoo! and Twitter to extend functionality and quickly add pre-formatted content to your slides..