E.M. PowerPoint Video Converter is the best tool for powerpoint

Easy-To-Use, High-Quality Program, Quickly converts PowerPoint to
video, audio and images, such as avi, flv, 3gp, swf, mkv, mpeg2 ts,
DVD, mp4, mov, mp3...Support input ppt, pps, pptx, ppsx files.
E.M. PowerPoint Video Converter is an all-in-one PowerPoint to video
converter. It can convert PowerPoint presentations to almost all
popular video formats such as AVI, MPEG, MPEG2 TS, MP4, WMV, 3GP, GIF,
FLV, SWF, H.264/MPEG-4 AVC, H.264/PSP AVC Video, MOV, Youtube FLV with
excellent quality. you could easily convert PowerPoint presentations
to play on your iPod, PSP, Zune, 3GP mobile phone(Nokia, Sony
Ericsson, Motorola), Apple TV, iPhone etc. With E.M. PowerPoint Video
Converter "converting + burning" one-step solution, you could easily
convert and burn PowerPoint to DVD, VCD, SVCD, Audio CD.
http://www.effectmatrix.com/PowerPoi...rter/index.htm