Thanks for that. It was so easy to do and I highly recommend this mod which will allow your "add to wishlist" button to be shown at all times. If the customer is not logged in, it will redirect them to the registration page.
Add to product.tpl:
Code:
{if $login eq "" and $active_modules.Wishlist ne""}
{include file="buttons/add_to_wishlist.tpl" style="button" href="http://www.yoursite.com/store/register.php"}</a>
{/if}
After:
Code:
{if $login ne "" and $active_modules.Wishlist ne ""}
{include file="customer/add2wl.tpl"}
{/if}