To use login-scan 'integrated' as kdm-theme:

1. set .../login-scan 'integrated'/Bg_for_login_manager.jpg as background-image in KDE Control Center -> System Administration -> Login      
   Manager

2. use the splashscreen 'FingerPrint' from the ksplash-engine-moodin. 
   can be found on http://www.kde-look.org/content/show.php?content=25705

enjoy!