After jailbreaking your iPad you might want to check if the App you want to install from Cydia is compatible with the device. Otherwise you might face some problems that cause you to restore your iPad.
Make sure to bookmark this list of iPad compatible Cydia Apps.
iPad JB Compatibility
Via Today in iPhone Podcast.
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Your link is broken, here is one that will work for the iPad list.
iPad Jailbreak Compatibility List