Gravity Forms

gistfile1.txt

//Change upload directory for specific form, the "4" in the gform_upload_path_4 below is the form id and this is what you would change for the form you want to customize

add_filter("gform_upload_path_4", "change_upload_path");
function change_upload_path($path_info){
     $path_info["path"] = "/new/path/";
     $path_info["url"] = "http://new_url.com/images/";
     return $path_info;
}