jailbreak your device here this is a older cydia for 6.1.3 and 6.1.4 and IOS 7 beta. what is cydia? cydia is were you can get themes and tweaks and what is a jailbreak? get cydia and you will find out credits to jay freeman [saurik}.
Cydia by Jay Freeman {Saurik}
to install cydia click on install cydia and add it to your home screen and you wiil have cydia