Downloaded and installed and module had no areas to input data or configure. Uninstalled and uploaded new download. I have Joomla 1.5.9

1. Missing function for creating frequency of payment.
2. Payment type button only works in donate mode.

Payment Type Donate Buy Now Add to Cart Subscribe
Logo or Text? Logo Text None
Logo URL or Text
Module Class Suffix
PayPal Email
PayPal Organisation - Item Name
Currency On/Off On Off
Value Textbox On/Off On Off
Default Currency CADUSDGBPAUDJPYEURCHFCZKDKKHKDHUFNOKNZDPLNSEKSGD
Button Text
PayPal Amount
Smallest PayPal Amount
Return URL
Cancel URL
PayPal Location

I must have missed your post. Did you solve this problem? The option for creating frequency of payment shows up if you choose the subscribe option.