<?php
		if ( has_post_thumbnail() ) { ?>
			<div class="tile-thumbnail">
			<a href="<?php the_permalink() ?>" title="Fixed link <?php the_title_attribute(); ?>">
				<?php the_post_thumbnail('tile-1'); ?>
			</a>
			</div>
		<?php } else { ?>
			<div class="tile-thumbnail">
				<a href="<?php the_permalink() ?>" title="Fixed link <?php the_title_attribute(); ?>">
				<img src="<?php echo esc_url( plugin_basename( __FILE__ ) ) ?>/images/default-blog.jpg" />
				</a>
			</div>
		<?php
		}
		?>