This is a simple mod, but one I find really useful. It links the product title when viewing orders in the store to either a link to modify the product (for admin or providers) or a link to view the product (for customers). This should help repeat customers buy their favorite items again.
in main/order_info.tpl find this code:
Code:
<tr>
<td colspan="2" valign="top" class="ProductTitle">{$products[prod_num].product} #{$products[prod_num].productid}</td>
</tr>
And replace it with this code (or modify the above to look like this):
This example was done in 3.5.5 (also tested on 4.0.
Carrie