Run it
Copy the script and paste it into your executor.
--nebulae
if not game.Lighting:FindFirstChildOfClass("Sky") then Instance.new("Sky", game.Lighting) end
for _,v in ipairs(game:GetService("Lighting"):GetChildren()) do
if v.Name == "Sky" then
v.SkyboxBk = "http://www.roblox.com/asset/?id=171410628"
v.SkyboxDn = "http://www.roblox.com/asset/?id=171410649"
v.SkyboxFt = "http://www.roblox.com/asset/?id=171410620"
v.SkyboxLf = "http://www.roblox.com/asset/?id=171410666"
v.SkyboxRt = "http://www.roblox.com/asset/?id=171410657"
v.SkyboxUp = "http://www.roblox.com/asset/?id=171410636"
end
end
--[[ orange nebula
if not game.Lighting:FindFirstChildOfClass("Sky") then Instance.new("Sky", game.Lighting) end
for _,v in ipairs(game:GetService("Lighting"):GetChildren()) do
if v.Name == "Sky" then
v.SkyboxBk = "http://www.roblox.com/asset/?id=171560994"
v.SkyboxDn = "http://www.roblox.com/asset/?id=171561019"
v.SkyboxFt = "http://www.roblox.com/asset/?id=171560968"
v.SkyboxLf = "http://www.roblox.com/asset/?id=171561065"
v.SkyboxRt = "http://www.roblox.com/asset/?id=171561026"
v.SkyboxUp = "http://www.roblox.com/asset/?id=171561009"
end
end
]]nebula skybox

Universal