That does make sense. Web designers normally get around the embed/object dilemma by using javascript to dynamically generate the correct embedding tag.
I presume that the latter (built by the release build) should actually be the same name as the other; otherwise the system will get confused as to which one to pick up?
Your text notes on how to create the audio and browser plug-ins are pretty good - nice one!
IMO, by far the biggest weakness of XCode in comparison to Visual Studio is just how appallingly difficult it is to configure projects, build steps etc. … Visual Studio is a doddle in comparison!