[Plugin: WordPress.com Stats] WordPress Stats – blowing out my pages

This was the only post I could find about the small smiley in the upper left hand corner in the forums. I get the smiley as well, but, I have some differences. It occurs on my front page, occasionally. (http://www.ai.edu/ or http://aquinas01.ai.edu) I’ve checked the source and the only images I can find are ones I expect to be there. There is an image of the smiley. Below is the code generated (in case I missed something). Also, the image starts out large (about 150-200 px square) and then reduces in size to something about 10px square. The page does not blank out. I am concerned that this is a vulnerability in WP that has of yet been addressed.

I’ve included, below, the source code, in case I missed something. I am very concerned about this and would like to get an answer on this as to whether it indicates that my site has been hacked.

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[moderated huge chunk of code – please use a pastebin or link to file
moderated sig – against forum rules]