Jake, don't think you are doing anything wrong, just tried to post your map too, and get same error when downloading from site, think it's a glitch in the map forum. this is the error i get when trying to down load.
The page you requested can not be found:
> http://www.rswarrior.com/forums/topic.asp?TOPIC_ID=18208 contains an error.
The error has been recorded and will be fixed as soon as possible.