GetRight Download List Generator - description from Softdepia.com:
Automatically generate GetRight ".grx" download lists based on URL + FileSeries + Index (e.g. files on www.server.com/pics/pic001 to ..pic123 can be automatically added as a series of downloads to GetRight). Includes username/password, download priority and option to add list to GetRight or save as a ".grx" file. Plus numbering range for downloaded files can be different from numbering range used on the download site.
GetRight Download List Generator is a "Free to try" program. You can download and try it for an evaluation period.