Your download is ready...
Click the link to start your download from the remote mirror spring1.admin-box.com :
turtle_town_v1.sd7
First you need to download the Spring engine to play on this map.
Maps are ".sd7" or ".sdz" files. To install this files move them into (Unix) ~/.spring/maps or (Windows) "My Documents\My Games\Spring\Maps".
Use the "Reload maps/games" option from the "Tools" menu in SpringLobby.