info from site...

Presentations to Video Converter lets you easily transform your Microsoft® PowerPoint® (*.pptx, *.ppsx, *.ppt and *.pps) presentations into any video format supported by your system so that you can instantly create AVI, ASF, WMV, MPEG, VOB, MP4, a flash files in SWF format, Animated GIF and burn your presentation to DVD. You can put your presentation, for example, to a Web site for streamed viewing or Web casting. Presentation to Video Converter is effective and very easy to use, requiring only few mouse clicks to create a full featured video, flash with sound track. You can also control the presentation while it’s being converted.

btw, it has trial without time limit....