Hmm, I love the "Going Down" series so much that I mirrored the original map files on our website... we converted them to use on our SAMP server but that's another story.
Going Down 1 by Herman Hedning:
http://www.gamerxserver.com/downloads/3624.map
Going Down 2 by Herman Hedning:
http://www.gamerxserver.com/downloads/3631.map
Going Down 3 by Herman Hedning:
http://www.gamerxserver.com/downloads/3769.map
Going Down 4 by Herman Hedning:
http://www.gamerxserver.com/downloads/4165.map
Going Down 5 by Herman Hedning:
http://www.gamerxserver.com/downloads/4727.map
Going Down 6 by Herman Hedning:
http://www.gamerxserver.com/downloads/5040.map
Going Down 7 by Herman Hedning:
http://www.gamerxserver.com/downloads/6714.map
Enjoy
Note: if the author or anyone else is not happy about GamerX mirroring these map files then please PM me and I will remove them.