Currently one of the biggest reasons for users to jailbreak their iPhone are the abundance of customization options. Programs downloadable through Cydia don’t have to conform to Apple guidelines, therefore giving the end user a greater level of personalization than those found in the App Store. Once jailbroken a lot of those minor annoyances you deal with everyday in iOS can be fixed including how it looks. Themes are quite easy to implement and personalize. Take a look at the following setups, showcased below, for inspiration.