When I press Install and then All Packages, the page is completely blank.
I need to install Terminal and OpenSSH to fix the mail not working issue. Any help guys?

A little worse here: I have prepared the firmware in easy mode for an Phone v1 and inject in my allready Pwned iPhone with iTunes 7.7.
Apparently all is working except Cydia: if I press its icon it displays an empty "window" (application background with grey vertical bars and dark grey banner) and then go back to the springboard maybe 5 seconds later...
Advices welcomed

Maybe it is working correctly!

From reading the iclarified tutorial I learned that there are no applications at the moment (strange I know) hence nothing appears. The reason there is no app's is because they have to be updated to account for changes made in 2.0 software.

As a result Cydia is working, but lacks applications for the moment.

Mine shows apps, so even though none of them probably work, it does show them.

I have been able to capture this:

Sun Jul 20 20:00:45 unknown Cydia_[84] <Warning>: WARNING: -[<UIWindow: 0x2472a0> _setHidden:] is deprecated. Please use -[UIView setHidden:]
Sun Jul 20 20:00:46 unknown com.apple.launchd[1] <Warning>: Exited with exit code: 255
Sun Jul 20 20:00:46 unknown SpringBoard[23] <Warning>: Application <SBApplication: 0x27e610> com.saurik.Cydia activate: animated deactivate: exited abnormally with status: 65280
Sun Jul 20 20:00:46 unknown SpringBoard[23] <Warning>: lockdown says the device is: [FactoryActivated], state is 0
Sun Jul 20 20:00:46 unknown com.apple.SpringBoard[23] <Notice>: CoreAnimation: timed out fence 2

Hope this helps tracking the problem...