No. You are doing it in the right way.
The only "issue", maybe the fact that, the <embed> tag is not W3C XHTML 1.1 compliant. Since most browsers
support <embed/>, even if the standards don't, you can use the extensibility of XHTML and write your own custom DTD that adds <embed/> to any flavour of XHTML.
Here is a forum discussion on this issue: http://www.accessifyforum.com/viewtopic.php?p=18919
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