I'm selling virtual products using the FREE SHIPPING!/freeshipper module with a Handling Fee of 25˘ - but for some reason the Handling Fee isn't being added to the order total. Any ideas or is this a bug ZC v.1.3.7?

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Product Priced by Attributes = Yes
Product is Virtual = Yes Always Free Shipping
Always Free Shipping = Special, Product/Download Combo...

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FREE SHIPPING

Enable Free Shipping
True

Free Shipping Cost
0.00

Handling Fee
0.25

Tax Class
--none--

Shipping Zone
--none--

Sort Order
0