You can use the Column code as shown on this page – http://demo.appfinite.net/squareone/columns/ and add your images inside each of the div containers –
<div class="one-third first">
<p>This is an example of a WordPress post, you could edit this to put information about yourself or your site so readers know where you are coming from. You can create as many posts as you like in order to share with your readers what is on your mind.</p>
</div>
<div class="one-third">
<p>This is an example of a WordPress post, you could edit this to put information about yourself or your site so readers know where you are coming from. You can create as many posts as you like in order to share with your readers what is on your mind.</p>
</div>
<div class="one-third">
<p>This is an example of a WordPress post, you could edit this to put information about yourself or your site so readers know where you are coming from. You can create as many posts as you like in order to share with your readers what is on your mind.</p>
</div>