plugins/ckeditor/templates/admin/ck_file_browser/main.stpl
<div id="ck_file_browser" role="main">
<div id="tree"></div>
<div id="data">
<div class="content folder" style="display:none;"></div>
<div class="content image" style="display:none;">
<button id="add_image_url" style="margin-bottom: 10px;" class="btn btn-xs btn-default">{t(Select image)}</button><br />
<a href="" id="image_src_href" target="_blank"><img src="" alt="" id="image_src" style="max-width: 600px;"/></a><div id="image_info"></div></div>
<div class="content default">{t(Select a file from the tree)}</div>
</div>
</div>
<div style="display:none;">
<iframe id="file_upload_process_container" name="file_upload_process_container"></iframe>
</div>
{include(@object/css)}
{include(@object/js)}