How to Install A deb file ?

1st Method:
STEP 1: Download the .deb file you want (example : LockInfo)
STEP 2: Start Cydia, go to "Search", type "Mobile Terminal" and install it

STEP 3: Repeat step 2 for "OpenSSH"

STEP 4: Start "MobileTerminal"

STEP 5: Type the following commands :

su (press return)
alpine (press return) /!\ You won't see the typed password then don't worry /!\
dpkg -i nameofpackage.deb (press return, replace nameofpackage with LockInfo for the example)

STEP 6: Reboot
enjoy the deb file is now installed on your mobile
2nd Method:
STEP 1: Connect your iPhone with SHH Software
STEP 2: Create the folder Cydia/AutoInstall into var/root/Media/
STEP 3: Reboot your iPhone
Once Done directly place all the deb file in this created folder and restart twice (two times) and bingo its installed this method is used by cyder also

backbord 1.2.0

Backboard of WindWarrior is a free application available on the repository ModMyi of Cydia Store .
This application will allow you to make a backup of one or more themes available on your iDevice by making a copy of your SpringBoard (placement of icons, application configurations, etc..) And thus to restore or switch between different themes having a different configuration on your springboard.

* Backing up your themes are in / Applications / Backboard.app

This application can be useful when you want to use more than one theme on your iDevice whose layout, configuration (iconclasm) of your icons and applications (no backup data), differs according to your theme. You can easily switcher between these themes without reworking the layout of your springboard.