From CSS Discuss
How Can I Embed Flash or Quicktime and Still Validate?
The problem has been how to include Flash or other external objects in our XHTML/CSS pages and still have them validate.
- http://joeclark.org/access/captioning/bpoc/embed-object.html?WD - This page has collected many known solutions to the problem.
- http://www.bobbyvandersluis.com/ufo/ - Unobtrusive Flash Objects 2.0 by Bobby Van Der Sluis. UFO is a DOM script that detects the Flash plug-in and embeds Flash objects. It contains several features and best practice techniques that other scripts currently don't have.