How to change login screen in Ubuntu 11.04 ?
to do this you need the Ubuntu Tweak. lets chow you how to perform this :
1 : Download the Application – Ubuntu Tweak from it’s website.
Download Ubuntu Tweak
2 : Install it by opening with Ubuntu Software Center (Right Click -> Select) or from Command Line. TO install from command line type –
sudo dpkg -i ubuntu-tweak_0.5.14-~natty1_all.deb
3- Now, start Ubuntu Tweak, go to main menu
4-click on Login Settings and enter your login password to unlock it first
5-now click on icon or background images that you want
Now exit to the login page to check the image is changed