I got the idea
Old getright is cool...
Numbered downloads and variables in download locations
Download the URL
<http://sowirdsgemacht.com/media/img/img.php?seite=1&b=106&f=o&g=106&y=13&h=%#%&x=23.jpg>
and it replaces the %#% with a number. This number can then go from A to B,
with or without leading zeroes and so on.

THX