helper thumbs => sub {
	my @thumbs;
	my $dir = 'public/images/thumbs';
	my $dh;
	opendir $dh, $dir;
	foreach (readdir $dh) {
		next if /^\.$|^\.\.$/; #let's assume there are no files in this dir, only dirs.
		push @thumbs, $_;
		}
	closedir $dh;
	return @thumbs;
	};