I like how this challenge is open! "within reason, of course!"

Hi everyone, i'm new here and i dont quite understand the transparency thing, i checked all the other entries and they have this transparent thing going on, i know its something to do with the saving settings but i'm not quite sure could you help me so  i can submit my work? 

Thanks :]

- sorry i just read the FAQ like it says... i didnt read that part before :D my bad