For download links look at the Content and Links page.
Maps are ".sd7" or ".sdz" files. To install this files move them into (Unix) ~/.spring/maps or (Windows) "My Documents\My Games\Spring\Maps". As is the case with games, use the "Reload maps/games" option from the "Tools" menu in SpringLobby.
Choosing a Map
Technically, all Spring games work with any Spring map. In practice, some maps are unplayable with certain games. For example a game where you mine resources from the ground will only work on maps where these resources are present. A game based around land combat will not be very fun on a water map.
This is why some map makers started adding prefixes to the map names, to signal what games work well with their map.
This is no official list, only a recommendation what to look out for. Generally it is best to have a look at the games webpage if a map pack is offered or even already included in the download.
map names prefixed with CT
more info and map list on website: http://code.google.com/p/conflictterra/wiki/MapInfo
map names prefixed with EvoRTS
map list on website: http://www.evolutionrts.info/download/ -> maps
map names prefixed with Grts
map names prefixed with 1944
maplist on website: http://spring1944.net/wiki/doku.php?id=guide:gameplay:recommended%20maps
most maps have "kernel panic" mentioned in their description (searchable by lobbies)
has a map pack: http://springrts.com/wiki/Kernel_Panic#Download_links
Map recommendations for games with TA based economy (ie BA, XTA, NOTA)
- Map reviews: Map reviews galore
- Suggested maps for 1v1
- Suggested maps for 3ffa
- List of maps for 4v4 in BA
Start Boxes via lobby chat
commands for autohosts:
!split v 20 create 2 boxes, at left and right end of map. "20" defines the size.
!split h 20 create 2 boxes, at bottom and top end of map. "20" defines the size.
start box coordinates for some maps: http://code.google.com/p/zero-k/wiki/MapBoxes