They come with 1.6.2, which crashes the client if you try to use it. To get the right version of the minimap either go to the official forum thread:
http://forum.minecraftuser.jp/viewtopic.php?f=13&t=153
Or get it directly from one of these download links:
http://adf.ly/937215/reimm-164
http://goo.gl/0zKQql
http://forum.minecraftuser.jp/viewtopic.php?f=13&t=153
Or get it directly from one of these download links:
http://adf.ly/937215/reimm-164
http://goo.gl/0zKQql