This is one of the profiles that comes with Dwarf Fortress. Taken from DF 34.07

This is the large island set that comes with DF. Taken from DF 34.07

This is the Large Region that comes with DF. Taken from DF 34.07

This is the medium region that comes with DF. Taken from DF 34.07

This seed, combined with the embark shown in the image, will start with the discovery of a 40+ Z-level cave with friendly kobolds. Taken from /r/dfworldgen: http://www.reddit.com/r/dfworldgen/comments/qdiwb/this_seedembark_will_start_off_with_the_discovery/