avatar in posts grid

function kleo_entry_meta($echo=true, $att=array()) {
	
		$meta_list = array();
		
		// Translators: used between list items, there is a space after the comma.
		$categories_list = get_the_category_list( __( ', ', 'kleo_framework' ) );

		// Translators: used between list items, there is a space after the comma.
		$tag_list = get_the_tag_list( '', __( ', ', 'kleo_framework' ) );

		$date = sprintf( '<a href="%1$s" title="%2$s" rel="bookmark" rel="nofollow"><time class="entry-date" datetime="%3$s">%4$s</time></a>',
			esc_url( get_permalink() ),
			esc_attr( get_the_time() ),
			esc_attr( get_the_date( 'c' ) ),
			esc_html( get_the_date() )
		);

		$author = sprintf( '<a href="%1$s" title="%2$s" rel="author" rel="nofollow">%3$s</a>',
			esc_url( bp_core_get_user_domain( get_the_author_meta( 'ID' ) ) ),
			esc_attr( sprintf( __( 'View all posts by %s', 'kleo_framework' ), get_the_author() ) ),
			get_the_author()
		);

		$meta_list[] = '<small class="meta-author">'.$author.'</small>';
		$meta_list[] = '<small>'.$date.'</small>';
		
		$cat_tag = array();
		
		if ( $categories_list ) {
			$cat_tag[] = $categories_list;
		}
		
		if ($tag_list) {
			$cat_tag[] = $tag_list;
		}
		if (!empty($cat_tag)) {
			$meta_list[] = '<small class="meta-category">'.implode(", ",$cat_tag).'</small>';
		}
		
		//comments
		if (!isset($att['comments']) || (isset($att['comments']) && $att['comments'] !== false)) {
		$meta_list[] = '<small class="meta-comment-count"><a href="'. get_permalink().'#comments" rel="nofollow">'.get_comments_number().' <i class="icon-chat-1 hover-tip" 
			data-original-title="'.sprintf( _n( 'This article has one comment', 'This article has %1$s comments', get_comments_number(), 'kleo_framework' ),number_format_i18n( get_comments_number() ) ).'" 
			data-toggle="tooltip" 
			data-placement="top"></i></a></small>';
		}
		
		if ($echo) {
			echo implode(", ", $meta_list);
		}
		else {
			return implode(", ", $meta_list);
		}
		
	}