No that will help with the glow. The easiest way to add alpha properties is to use the "cheat code" alphalpha (exactly as written). Open the cheat bar in S4S the same way as in game, CTRL+SHIFT+C. Once you have used the cheat switch to the low LOD then back to see an immediate change.
Easy enough, take a look at THIS tutorial and skip down to step 15 (disregard step 16). Your light resource will be empty so select the type of light you want from the drop down then click the "Add" button below the light list box.
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