Help, my background keeps disappearing

[chebman]

how do i make it so I can have both a sky and one of those desert rock background that doesn't take up a whole wall?? When i exit and come back to my level, the sky disapears. And when i play the level, the unfilled texture part of the wall is all blurry.

[NutWrench]

What version of UnrealEd are you using?

You're putting a sky texture on the wall? How come?