Can you give me the link on MrAdultAffiliate.com where you have found it? Well to be honest, I am not sure if they will give you back your money, I have not been buying anything from them for years now and they seem to be run it on the autopilot but you might send them an email and tell them that you will report them to PayPal if they did not comply.
Are you uploading the thumbnails manually or are you using any plugin for that?