I recently compiled a list of Cydia Tweaks i think every iOS user must want!! CHECK THEM OUT
1-Airblue
2-Activator
3-bloard
4-Boxy
5-coono
6-paswordPilot
7-safari upload enabler
8-UiColors
9-Zappelin
UiColors- changes the color of your devices interface
Zappelin- Changes the carrier text
PasswordPilot -helps save your password for easy entry
Bloard- changes the color of your default keyboard to black
Airblue- allows you send files via Bluetooth to any device
Coono- transforms your notification bar.. And let's you customize it effectively
BytaFont- as the name implies, YOU ALREADY KNOW...USED IN CHANGING YOUR DEVICES FONT
HOW TO INSTALL: GOTO SOURSES IN CYDIA AND ADD REPO.BITEYOURAPPLE.NET