Some of us already had a discussion on IRC about the use of those maps on a CS 1.6 server...
One mailed VALVe and got a reply back: It's not legal.
So now... do as you want... but I wouldn't do that if I were in another country... ofcourse being in Romania.. I don't really care
but you guys watch out ;)
Btw: you could make use of sv_downloadurl