Hi Moustafa,
I think you can try the Photoshop or Imageready, which are famous and often used in figures's preparation. These softwares can directily recognize the .png file without format convertation. And the movie can be easily made. Every .png file can be introduced as a layer and the show interval can be freely designed. Finally the movie can be saved as .gif format, which can be directly used in MS ppt.
Good luck!
Ning
2007-05-27
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Ning Shen, Ph.D. graduate
Institute of Biochemistry and Cell Biology
Shanghai Institutes for Biological Sciences
Chinese Academy of Sciences
320 Yue-Yang Road
Shanghai 20031
P.R. China
Tel: 021-5492-1217
Fax: 021-5492-1116
Email: [log in to unmask]
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