Help with embedding Quicktime into Dreamweaver

Hi - I am trying to embed a short Quicktime movie using Dreamweaver.  I bought it at iStockphoto.com (http://www.istockphoto.com/stock-video-4242733-driving-in-estonia.php).

I would like it to play automatically when the web page loads.  However, I am experiencing the following difficulties:

(a) In IE it asks the user to click to download a plug in which then takes them to the Quicktime site to download a plugin.  This defeats the purpose of what I am trying to do.

(b) The movie area is a blank space in Firefox.

It would be easier to convert the Quicktime to Flash and insert it - but I tried converting it using Prism software and it came out all fuzzy.

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<OBJECT codeBase=http://www.apple.com/qtactivex/qtplugin.cab height=201
width=274 classid=clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B>
  <PARAM NAME="SRC" VALUE="star_po_demo.mov.qt"><PARAM NAME="AUTOPLAY" VALUE="true"><PARAM NAME="CONTROLLER" VALUE="false">
<EMBED SRC="http://www.tourelf.com/images/istockphoto.mov.qt" WIDTH="274" HEIGHT="201" AUTOPLAY="true"
CONTROLLER="false"
PLUGINSPAGE="http://www.apple.com/quicktime/download/"></EMBED></OBJECT>