http://www.imtoo.com/convert-powerpoint-to-video.html
ImTOO Convert PowerPoint to Video lets you turn your PPT presentations into videos of any format for FREE! Convert Powerpoint to iPod. Convert any PPT to video even without Microsoft PowerPoint installed. Best PPt converter for Free! Turn PPTs to common videos formats such as AVI, H.264, WMV, MP4, MOV and 1080p HD videos such as HD AVI, HD H.264, HD MPEG-2 TS (Personal and Business edition only) to be played on any multimedia device.
Full Editing and customizations are also available!