It's not a plugin. I copied and pasted the content of the bottom part of the widget. This is the whole content:
HTML Code:
Make your Amazon purchases (books, supplements, etc) through our links.
<a href="http://astore.amazon.co.uk/thypatadvuk-21">UK Amazon </a>
<a href="http://astore.amazon.com/thyrpatiadvo-20"> USA Amazon</a>
Purchase the <a href="http://tpauk.com/forum/content.php?601-THYROID-PROBLEMS-THE-TPA-GUIDEBOOK">TPA Guidebook</a>
TPAUK is a registered charity No. 1138608. Please support our hosting costs by making a donation. You don't need a Paypal account, you can use use your credit/debit card.<form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_top">
<input type="hidden" name="cmd" value="_s-xclick">
<input type="hidden" name="hosted_button_id" value="[deleted]">
<input type="image" src="https://www.paypalobjects.com/en_US/GB/i/btn/btn_donateCC_LG.gif" border="0" name="submit" alt="PayPal – The safer, easier way to pay online.">
<img alt="" border="0" src="https://www.paypalobjects.com/en_GB/i/scr/pixel.gif" width="1" height="1">
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