Try this site for good instructions. http://kindlerama.com/how-to/how-to-...o-your-kindle/
Also some free screensavers and instruction on how to get your originals back. They are not truly deleted when you add your own set, only hidden.
I have the illuminated "G" on my Kindle but I guess it didn't get included in the set of files Igor sent to me. I'll try to get my Kindle to show the "G" and then scan it and hope the quality is good enough to make a screensaver out of it. Will advise and post if I'm successful.