here is the best features of the
Blog Mass Installer
Create Wordpress blogs on your domain, no captchas, press execute and the software builds all of the blogs one at a time.
One Time installation creates unlimited blogs across domains
Randomize wordpress themes across your network. Add your own themes, delete themes
Installs and sets up wordpress with permalinks, active plugins, and deleted blog roll.
Flexible configurations ... allow you to create all wordpress blogs within one database or you can optionally create 1 or a few databases per blog batch. Using one database will save server resources rather than have 100 mysql databases on 1 domain
Add your own wordpress plugins to be uploaded and activated
Automatically removes first post ("Hello World!") in wordpress
Automatically removes blogroll links from wordpress
Automatically configures permalinks in wordpress