Backround picture error

i have problem with the back round image.i tried it in one skin it was working but i tried it to another one and it didn't use.what to do/

I can't understand what exactly your problem is....
You can send me pm in greek. Maybe I can help you.

(In the forum we are not allowed to write greek, that's why I talk you in english)

You mean you want it to be transparent? Post the picture; maybe someone can help.