So, the question is... can an AdServer feed WPF/E to a naked HTML page?
Well, if there's something between these two lines then... the answer is yes :)
Do a View|Source if you think I'm kidding!
Note. Because of a Firefox issue you can't have <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> for the document as it causes a problem accessing the content of script blocks. Of course that's messed up the CSS in this sample so something needs to get fixed when I've got a moment!
For more information on this and the other WPF/E samples here, check out this post