Some documentation is in your admin area: "Help -> GT Module Documentation -> SQL::File", and you will also find some hints in admin/Links/User/Jump.pm.
<ad>
You can also buy my Attachment plugin, which allows you to easily attach files to links, and whjch allows you to choose if you want direct links to files (good for server resources) or links through jump.cgi (good for access restrictions). Details can be found in the following post:
http://gossamer-threads.com/...rum.cgi?post=219660; </ad>
Ivan
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Iyengar Yoga Resources /
GT Plugins