iSpring Pro is a PowerPoint add-in that allows you to convert your PowerPoint presentations into Flash SWF movies with all the animations, slide transitions, audio and video clips, and inserted Flash SWF files intact. It works with all PowerPoint for Windows versions from 2000 to 2007.
iSpring Pro is from iSpring Solutions, Inc., a software development company based in Virginia, USA. You can learn more about of iSpring Pro from their site. Apart from iSpring Pro, they also provide a considerably adequate free version of iSpring — this review however only explores the Pro version.