<customer_account>
    <!-- Mage_Sales -->
    <reference name="customer_account_navigation">
        <action method="addLink" translate="label" module="customer"><name>account_edit</name><path>customer/account/edit/</path><label>Personal Information</label></action>
            <action method="addLink" translate="label" module="customer"><name>address_book</name><path>customer/address/</path><label>Shipping Address</label></action>
        <action method="addLink" translate="label" module="mywallet"><name>mywallet_index</name><path>mywallet/index/index</path><label>My Wallet</label></action>
    </reference>
</customer_account>