Fedora 17 - Logging in after selecting source kicks me out to the login screen

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http://forums.fedoraforum.org – Hi Gurus, This is Vivek, iam very new to linux desktop environments. I have been using Fedora 17 for my official work from the last couple of months and i feel this to be very light on applications and fast when compared to Windows. Ok, now the problem is I was trying to have the feel and look of Mac OSX Lion theme on my existing Fedora 17 desktop. I have installed the required rpm "fedoramd-release-17.rpm" and rebooted the machine. Now, i have the new option on the login screen to select from source i.e., 'enligtenment' and 'gnome'. When i select enligtenment and supply my log (HowTos)