put the .bsp file in "garrysmod/garrysmod/maps"
-a small map i made pretty much just for kicks, testing out teleporters..

-its 1 square room with 4 doors. when you go in a door, it teleports you to the opposite side of the room to make it seem as if you have more room than you actually have.. made a quick test video, link below this.

http://www.youtube.com/watch?v=iJRl_VAuA3c

--like i said its a Small map, 3rd picture shows the room you have,across the room you can fit about 6 jeeps
- please give any comments or feedback
- thanks :)