Hello,
We can’t log in to wp-admin panel:
http://storage1.static.itmages.com/i/15/0525/h_1432548617_8667433_b194d7b549.png
Please check the issue with your host.
Also as I see featured image is shown when a user is not logged in:
https://s3.amazonaws.com/fvd-data/notes/168674/1432548836-mssZ20/screen.png
Regards,
Eva Kemp.