Im trying to make the black background behind my contacts' circles completely transparent in intellidial. my status bar and bottom bar are already transparent. i want to have my contact circles right on top of my lock screen wallpaper. (see pic and enjoi my MS Paint work)

locations checked:

1-system/library/coreservices/springboard.app
2-private/var/stash/applications/intellidial.app
(intellidial logo is now transparent)
3- private/var/mobile/applications
4- private/var/mobile/library/intelliborn

any help finding this file?