Download 7zip, compress in bz2 format, upload to web host on a redirect.
net_maxfilesize needs to be set to a higher value. The default is 16, and it is in megabytes.
Hey combat, would you mind sometime if we had an extended play session on your server? We'd get some of the tf2m people (probably), and put the server to use for a while. Probably b3a, which people on tf2m would either have in advance or could download here.
That's not the correct IP. That is the LAN IP and only machines on the same LAN will be able to find it. You need the WAN IP that the world sees. www.whatismyip.com (assuming you are posting from the same LAN as the server)
However, no offense to you, but both that you didn't know that and that it is running on your LAN... is it some spare you had lying around? is the machine even capable?