1:
<?php print tubepressGallery("mode='tag' tagValue='bmw' ajaxPagination='true' author='false' resultsPerPage='1'" ); ?>
<?php print tubepressGallery("mode='tag' tagValue='".$listing['make'] . " " . $listing['model']."' ajaxPagination='true' author='false' resultsPerPage='1'" ); ?>