[HELP] What do I do with a Code Like This?

What do I do with a code like this? I need help to get it into my signatures and all of my threads.

Any idea what to do? Thanks for reading.

Here's the code I need to put in my Signature/Threads. -

Code:

<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
<input type="hidden" name="cmd" value="_s-xclick">
<input type="hidden" name="hosted_button_id" value="Q33SLMEZRHKRU">
<table>
<tr><td><input type="hidden" name="on0" value="Donate to me for my help and services!">Donate to me for my help and services!</td></tr><tr><td><select name="os0">
	<option value="Donate to me for my help and services!">Donate to me for my help and services! £1.00</option>
	<option value="Donate to me for my help and services!">Donate to me for my help and services! £2.00</option>
	<option value="Donate to me for my help and services!">Donate to me for my help and services! £3.00</option>
</select> </td></tr>
<tr><td><input type="hidden" name="on1" value="Thanks for your genourosity.">Thanks for your genourosity.</td></tr><tr><td><input type="text" name="os1" maxlength="60"></td></tr>
</table>
<input type="hidden" name="currency_code" value="GBP">
<input type="image" src="https://www.paypal.com/en_US/GB/i/btn/btn_buynowCC_LG.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online.">
<img alt="" border="0" src="https://www.paypal.com/en_GB/i/scr/pixel.gif" width="1" height="1">
</form>

 

I don't think Sythe allows use HTML in posts.