Image question when using templates.

[MCanes]

I am new to Zen, but I have read a few of the docs people have posted and they are very helpful.

Anyhow, I am working with a template (silverfish) and I have added a custom footer with some images. I would like to put these images under the 'images' folder in my template directory (to utilize the over-ride).

So, here's the question... If I put them in there what will my code look like in order for them to not come up broken? Below is what I currently have an it is not working.

<!-- SPD bof-Payment and SSL Section -->
<div id="paymentSecurity">
 <ul>
  <li><img src="../images/creditcards.gif" alt="We accept Visa, MasterCard and American Express">
   <img src="../images/comodo.gif" alt="We care about protecting your information. We offer a 128-bit Encryption">
   <img src="../images/authorizenet.gif" alt="Authorize.NET is the leader in online transaction processing"></li>
 </ul>
</div>
<!-- SPD eof-Payment and SSL Section -->

Thanks so much for your help in advance!