Hi It looks like you are still using the OLD code. Please log into your account and go to My Account > Thumbshots Images > Manage Plan to get your new code for the Thumbshots.
I take this new code for the third time and is same!
<img src="http://images.thumbshots.com/image.aspx?cid=IGJWfav6j1M%3d&v=1&w=[Width]&url=[URL]" border="1" alt="Preview by Thumbshots.com" />