<div class="row">
    <div ng-repeat="photo in data">
        <div class="col-sm-3">
            <img style="padding: 5px;margin: 0px 5px;border: 1px solid #808080;" class="img-responsive" 
                 ng-src="/FileDownloadHandler.ashx?fileid={{photo.Id}}&moduletype=attachment"/>
        </div>
    </div>
</div>