It's been long since iOS 8 was first broken into. Cydia is now brimming full with updated jailbreak tweaks for iPad and the iPhone. Here are some of our top picks based on the community reviews and consistent updates they receive. While this is a "top 5 iOS 8 tweaks for iPad", you can let us know of your favorite jailbreak tweaks for the bigger screen and we'd add them to our bonus list. Happy customizing!
Top 5 iOS 8 tweaks for iPad:
Auxo 3 for iPad:

Auxo is without doubt one of the most favorite jailbreak tweaks of the community. It combines the App Switcher with Control Center making it easy to access both the settings and the multitasking cards. Swiping up brings the Control Center along with the app switcher saving you to tap twice on your Home button to bring up those cards.
F.lux iOS 8:

F.lux helps you to get rid of the blue hue making the screen calmer to your eyes. Much recommended if you use your devices late at night or in the dark.
FlipControlCenter iOS 8:

FlipControlCenter iOS 8 jailbreak tweak also comes in our top 5 iOS 8 tweaks for iPad list as it gives you the handle to customize your iPad's Control Center. It's not very extensive but lets you add some basic functionality in the Control Center.
Springtomize 3 for iPad:

Springtomize is one of the all time favorite iOS jailbreak tweaks popular for providing one solution that lets you customize every aspect of iOS. You don't need to get too many Cydia tweaks to customize your jailbroken iOS device as this tweak does many wonders. Springtomize 3 has been updated to iOS 8 so you can enjoy customizing your iPad. Springtomize 3 iOS 8 offers you customize animations, app slider, Control Center, Dock options, folders, icons, lock screen settings, home screen pages, and status bar too. What more do you want!
Showcase iOS 8:

This is one of my pet peeves as it annoys the hell out of me to look at that one Shift key to find out if I am going to type in lower or uppercase. Android keyboard shows the case of letters when you are typing it keeping simple things simple. iOS takes its time to bring in simplicity so while we wait, here is a tiny tweak to help you get the case without having to locate and stare at that Shift key.
Bonus - BetterRotate:

This is a simple tweak to solve your simple little trouble. Whenever our iPad screens rotate, the home screen layout changes from 4 x 5 to 5 x 4 and vice versa too. This causes a slight confusion as we forget the usual location where we tap to access some app. BetterRotate iOS 8 solves this by keeping the app icons in the 5 x 4 position no matter if screen is in horizontal or portrait mode. No more getting annoyed and or forgetting the locations of your favorite app.