...not only must you have real player installed to view these "embedded" video clips, you also need to make sure that there are functioning real player plugins in your browser´s (internet explorer, netscape etc.) designated plugin folder. obtuse, yes, sorry; the best thing you can do is to reinstall realplayer and then make sure that you say yes when it asks you whether you want to enable your browser(s) to play video using real player...
most video recorders can play ntsc (nice television, ****ty colours) these days...