Jailbreaking and theming go hand in hand. If you happened to remove all instances of jailbreak tweaks from the Cydia store, you can be sure that people would still jailbreak their iOS devicespurely so that they could continue to customize their look and feel.
When 0bscure 7 came onto my radar, I immediately gave it the once over due to its simple but very impactive visuals. The entire theme consist of black and white icons, which when paired with the right background, creates a gorgeous look for your iOS device’s home screen. With the theme, you’ll get over 100 compatible app icons, with the developer confirming to us that more app icons are on the way! A white and black wallpaper is also included to make the icons pop even more.
Source: Redmond Pie