<div class="main">
<img src="img/img.jpg" alt="" />
<div class="info">
<p>
<a href="#" onclick="click()"><img src="img/img1.jpg" alt="" /></a>
</p>
</div>
</div>

<style>
img[onclick]{
  border:red 1px solid;
}
</style>

<a href="#"><img onclick="alert(this.src)" src="img/img1.jpg" alt="click" /></a>

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>

<script>
  $(function() {
     $('a').click(function() {
        alert($(this).closest('.main').find('img').attr('src')); // вот ты и добрался до 1-й картинки в div main   
     })
  })
</script>
<div class="main">
  <img src="img/img.jpg" alt="" />
    <div class="info">
      <p>
         <a href="#"><img src="bbb/vvv.jpg" alt="" /></a>
      </p>
   </div>
</div>

$('.main >.info> p > a').click(function() {
  var img=$(this).parents('.main:first').find("img:first").attr("src");
  alert(img)
})

<div class="thumbnail" id="edit-image" style=" height: 250px !important;">                                    
                                    {% set ADB_VIEW_BUTTON = '' %}
                                    {% if file.mimeType.fileGroups.name == 'Image' %}
                                        <img class="file-image" src="{{ file.link | apply_filter('account_avatar_img')}}" />
                                        {% set ADB_VIEW_BUTTON = '<a href="#" class="btn view-image" style="position: absolute; bottom: 10px; left: 10px;"><img src="'~ asset ("omlook/img/eye.png") ~'" alt="{%trans%}ADB_VIEW{%endtrans%}" style="margin-top: -2px;" />' ~ '</a>' %}
                                    {% else %}
                                        <img src="{{ 'img_admin/icon-not-available.jpg' | apply_filter('account_avatar_img') }}" />
                                        {% set ADB_VIEW_BUTTON = '<a href="'~ asset(file.link) ~'" class="btn " style="position: absolute; bottom: 10px; left: 10px;"><img src="'~ asset ("omlook/img/eye.png") ~'" alt="{%trans%}ADB_VIEW{%endtrans%}" style="margin-top: -2px;" />' ~ '</a>' %}
                                    {% endif %}
                                        
                                        
                                    <div class="caption">
                                        <p>
                                            <a href="#myModal1" role="button" data-toggle="modal" class="btn btn-danger" onclick="image()" style="position: absolute; bottom: 10px; right: 10px; padding: 4px 13px 4px 13px;">
                                                <img src="{{ asset ('omlook/img/cancel.png') }}" alt="{%trans%}ADB_DELETE_IMG{%endtrans%}" style="margin-top: -2px;" />
                                            </a>
                                            {#<a href="#" class="btn btn-info view-image">{%trans%}ADB_VIEW{%endtrans%}</a>#}
                                            {{ ADB_VIEW_BUTTON | raw }}
                                        </p>
                                    </div>
                                </div>

<!-- Modal -->
    <div id="myModal1" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
        <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
            <h3 id="myModalLabel">{%trans%}ADB_DELETE_IMG_VOPR{%endtrans%}</h3>
        </div>
        <div class="modal-body" style="text-align: center;">
            <p>
                    <img class="file-image" id="file-image-show" src="" />
            </p>
        </div>
        <div class="modal-footer">
            <button class="btn" data-dismiss="modal" aria-hidden="true">{%trans%}ADB_DELETE_IMG_CLOSE{%endtrans%}</button>
            {% set files = deal.files %}        
            {% for file in files %}
                <button class="btn btn-danger"><a href="{{ path('_deal_delete_file', {'fileId': file.id, 'dealId': deal.id }) }}" style="color: #ffffff;">{%trans%}ADB_DELETE_IMG{%endtrans%}</a></button>
            {% endfor %}
        </div>
    </div>

function image(this) {
  var img=$(this).closest('#edit-image').find('img').attr('src');
  $('#file-image-show').attr("src", img); 
  alert(img);
}
$('.btn.btn-danger').click(function() {
  image(this);
})