Here is a example for the server.cfg and folder structure you want use for FastDL.
server.cfg
Code:
sv_downloadurl "http://kebabdukkan.000webhostapp.com/tf" //YourURL.XY/Z
Folder structure of the webserver directory
Code:
tf
-maps
-materials
-models
-sound
If you still can't figure it out yourself or need a better FastDL just send me a PM with your contact details and I will provide you with one for free.