IBT doesn't make smoked glass tanks. They do have the abyss, but that looks like garbage.
Ibtanked has new 'prism' finishes including smoke.
I'm not sure if it has been added to the site yet but you can select any add color and note which color prism you want.
http://www.e-cigarette-forum.com/forum/ibtanked/572276-new-prism-colors-now-available.html

Edit:
My violet halfling, no brush marks just a nice clear coat of vibrant violet color.

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