Ok so not only can I customize my boot screen, and my login screen, I can now customize my GMAIL!!! WOO HOO!! If you don’t got it yet, it will take a few days maybe for it to be rolled out to all GMAIL users. HOWEVER Gmail App users will not get themes, damn it. So if you manage your domain with Google, and use your own name@yourdomain.com with GMAIL, you cannot use themes with it. So you can just forward your domain email to another real gmail, problem solved. Create a filter to filter your domain email when it is received to your real gmail.
Theme I am currently using… Graffiti. Next theme I will be using? The Green one that reminds you of the Matrix.
More info on Gmail themes >HERE<.