Some cover samples I made

[Yukinara]

These are a few covers I made for my upcoming book. It's an action/scifi/romance novel. So far I'm happy with the background but not sure about the sword. In my novel, the light sword play an important role but I'm not sure what design I should use so I need some feed back
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[Devor]

Number 2 looks better. But you need to darken the colors, they're overpowering.

 

[sashamerideth]

Still needs work, too busy, but the last is my preferred one.

 

[Yukinara]

what do you mean by "too busy"?

 

[sashamerideth]

what do you mean by "too busy"?

The bottom, I can't tell what that is supposed to be. There are too many points of white swirling around, and the neon effect title gets lost in the background.