Beta system help

[Starbuck]

I sure would like to know if anyone is working with systems in the latest beta build and can help. The Sol system I have created at first didn't show anything, just the ships flying in a big black void. Now with the 4.5.0 test 4, the planets are showing but no backgrounds ie nebula, stars. It must have something to do with the starting header-

__________________________________________________ ____

GALAXY

system: { loc: (77.0, 77.0, 1.0), class: G, iff: 1, name: Sol }

star: { loc: (81.0, 82.0, 1.0), class: M, name: "Alpha Centri" }
star: { loc: (68.5, 81.0, 1.0), class: M, name: "Rigel" }
__________________________________________________ ____

STARSYSTEM
name: Sol
/*************************************/
sky: {
nebula: "",
poly_stars: "" }
stars: 750
dust: 300
/*************************************/
ambient: (16, 17, 26)

I hate to pester John, so I should hope someone has some ideas.

Thanks,