Definitive Danglings

After creating the mind map, shown in the post below, I decided to experiment further with the design and see if I could perhaps implement it as a CD cover. Therefore, I created this design on Photoshop and made 4 variations of it (top being the first design, bottom being the newest). At the minute I'm thinking of going with the last one, but I keep changing my mind! Which one should I go for?

Click on image to enlarge //