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#1 Oh, sometimes it does not work, sometimes it does, if you want always-working levels, {DO NOT CHANGE THEM} Click Here and scroll down to marble textures.


IT WILL WORK!!!

#2 ...

#3 x

#4 oh, i figured out how it ALAWAYS WORKS!!!!!

it's simple, try making it transparent.

P.S. the more transparent, the more solid.

#5 ..

#6 Just add an alpha channel, (I use GIMP) erase 99.9%, it will not show the the sky texture at all (enviromap is that sky texture thing in skies folder)