In a error I have purchased AdsManager commercial J1.0 extension

I want to buy : AdsManager commercial J1.5 tested with AdsManager v2.5, v2.6beta

I need compatible extension for Adsmanager 2.6 on Joomla 1.7.

will you please suggest how to do that or at least refund me?

Also please note that the AdsManager extn. download here is a currupt file created several errors on my installation and when I tried opening the zip file it did nit allow me to do so.

ARTIO E-Store Purchase Order - 19722

Thank you

Dilip