Images in grid

You can use Foundation 5

You can use a couple of Zurb Foundation HTML elements writing in Ghost markdown editor. Here are some links to Zurb Foundation docs. Remember to remove all whitespaces and breaklines from your html blocks when you writing in Ghost markdown editor.

Check Zurb Foundation documentation: http://foundation.zurb.com/docs/

Example - two cols grid:

Code used:

<div class="row">  
    <div class="small-12 medium-6 columns">
        <img src="/content/images/2014/10/1-2.jpg" alt="">
    </div>
    <div class="small-12 medium-6 columns">
        <img src="/content/images/2014/10/2-2-1.jpg" alt="">
    </div>
</div>