Logon screen and firmware or xenith

Logon screen and firmware or xenith

Hi everyone, i need some help, i want to change the entire logon screen of my wyse xenith clients, i am using xendesktop and i want to pass the same image as i see it when i start a session using the webinterface...

Anothe issue is i want to upgrade the firmware of all of my terminals but i cant find it, doen anyone has a link to it? Since i am not able to downloading it without a token...