change line 14 of the WA_Universal_Email/Email_Templates/contactus.php file:
<?php echo(str_replace("\n","<BR />",(is_array($pval)?implode(", ",$pval),$pval))); ?>
to:
<?php echo(str_replace("\n","<BR />",(is_array($pval)?implode(", ",$pval):$pval))); ?>