YourSway create-dmg builds a .dmg for you with a custom image background, specified icon positions and set to open in the Icon View. This tool requires a Mac — unfortunately, no solution exists to create .dmg files on non-Mac platforms.

This tool is licensed under GNU General Public License, because it incorporates portions of GPL-licensed code from Adium repository. You can modify this program to suite your needs, but you have to provide the source code of any modifications upon request.

See http://www.yoursway.com/free/#createdmg
