IE - overlaying a PNG image over an object

[shan]

Putting together a webiste and ran into a little problem with internet explorer..

I have an object element which I am using to display another website in,
but I would also like to 'overlay' a few images over the top on the object.

Works fine in Safari and Firefox, but the image is cut off in internet explorer..

Have a look at the test site here:

http://www.shantronix.com/crap/soulshaker/home.html

.. you will see a big round image (An oldschool cool looking sticker) which I have placed half over the object. try it in IE and you will see how it is not working as I would like it to..

Any help would be ace..