Buzzdar do you have Cydia on your iPhone? if you do then it's jailbroken(JB). You have the installer and you said you put Cydia on your iPad so it to is also JBen. The JB allows you to run 3rd party apps that Apple doesn't allow. You get these in Cydia. If you ever wan to know if you're JBen lok for Cydia this is the first sign you're JBen. If you want to know what you can load up now that you're JBen check out the threads about favorite JB apps and the lockscreen thread.
P0stal the JB is functional for iPad some of the themes and apps aren't. The apps and themes hav nothin to do with the JB, they are different developers. There are quite a few iPad specific themes you just have to find them. There's iQ Brushed iPad I tjink it's called.
Yes I got Cydia so as long as I got that I'm good to go?
YES if you've got Cydia you're good to go
P0stal sorry I didn't see your post I wrote up how to fix the gsc.wildcat problem but glad you got it fixed. Yes it's very easy to fix the wallpaper issue You go into your phone under \var\stash\Themes and inside the theme you'll see a Wallpaper.png just rename it and go into Winterboard and unselect the theme, select it again and respring.