依目前对官方文件的研究 Group 应该是不支持视频嵌入的

Flash视频 <embed src="http://home.tiscali.nl/annejan/swf/timeline.swf"></embed> <embed src="http://www.metacafe.com/fplayer/1059664/mpg_saver.swf" width="400" height="345" wmode="transparent" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash"> </embed> MP3音频 <embed src="http://www.freeinfosociety.com/sounds/spiroagnew-hippies.mp3" autostart=true hidden=no></embed> MPG视频 <embed src="http://www.leadcodecs.com/Download/mpeg/WhatBox_MPEG2_180x120_q11.mpg" autostart=true hidden=no> AVI视频 <embed src="http://down1.gotoadv.com/downloadurl.php?downid=http://down8.gotoadv.com/mp4/avi_176_144/www_gotoadv_com_200831634140239.avi" autostart=true hidden=no></embed> MID背景音乐 <bgsound src="http://file.midi.cn/midi/hk&tw/sandyl/nohome.mid" loop=1> PDF文件 <embed src="http://www.irs.gov/pub/irs-pdf/fw4.pdf"></embed> DWF图形文件 <object id = "viewer" classid = "clsid:A662DA7E-CCB7-4743-B71A-D817F6D575DF" CODEBASE="http://www.autodesk.com/global/dwfviewer/installer/DwfViewerSetup.cab" border = "1" width = "500" height = "300"> <param name = "Src" value="http://www.maps.vt.edu/ADAmap2005-Model.dwf"> </object> XLS速算表文件 <embed src="http://siteresources.worldbank.org/DATASTATISTICS/Resources/CLASS.XLS"></embed> <iframe   src="http://siteresources.worldbank.org/DATASTATISTICS/Resources/CLASS.XLS" ></iframe> PPT演示文件 <embed src="http://www.microsoft.com/presspass/download/press/2008/02-01Yahoo.ppt"></embed> <iframe   src="http://www.microsoft.com/presspass/download/press/2008/02-01Yahoo.ppt" ></iframe> DOC排版文件 <embed src="http://www.reusability.org/read/chapters/wiley.doc"></embed> <iframe   src="http://www.reusability.org/read/chapters/wiley.doc" ></iframe>