This is a Clone
Well, if it was all original, it would be 8 or 9, but half of these graphics are from the Kongregate Shootorial! For all of you Newgrounders, it is located here:
If you play the sample game you will see some striking... similarities.
Still, as a first submission, it's okay. My suggestions: more powerups and a smaller character so it's less grating on the player.