find in your skin1/customer/main/products_t.tpl
Code:
{*** Uncomment it if you need 'Buy Now' button ***
{if $usertype eq "C" and $config.Appearance.buynow_button_enabled eq "Y"}
{include file="customer/main/buy_now.tpl" product=$products[product]}
{/if}
*** Uncomment it if you need 'Buy Now' button ***}
and change to
Code:
{if $usertype eq "C"}
{include file="customer/main/buy_now.tpl" product=$products[product]}
{/if}