Possible Duplicate:
How To Change Login Screen Background On 11.10
Hi I have installed Ubuntu tweak in ubuntu 11.10. I changed the login screen (lightdm) background using it. But as I logged out to see the new login screen background but all I got a black background with dots over it. I am disappoint and found no solution of the problem elsewhere. I can login but the background is black.Please guys help me how to fix this!
