好用的工具

PPT TO AVI
http://www.effectmatrix.com/PowerPoint-Video-Converter/Free-PowerPoint-Video-Converter.htm

WMV是個很讓人頭痛的格式， (罵該死的微軟吧)¡

http://www.free-codecs.com/STOIK_Video_Converter_download.htm

Free PowerPoint to Video Converter 3.5有浮水印

http://www.downloadcollection.com/free_powerpoint_to_video_converter.htm

Acoolsoft PPT to Video Free 3.2無浮水印只限5個PAGE

http://www.downloadcollection.com/acoolsoft_ppt_to_video_free.htm

百年地圖

http://gissrv4.sinica.edu.tw/gis/twhgis.aspx

各種地圖
http://map.rchss.sinica.edu.tw/cgi-bin/gs32/gsweb.cgi/gsdatabaseins?menid=gsdatabaseins#japan