Yoruichi san's tower.

Ok, im kinda new. So i dont have any idea what this forums latest trend is but i like to use grunge and sometimes abstracts, i havent seen any of your artworks, so i dunno what a good sig to you guys is but here are some of mine.

http://img485.imageshack.us/img485/6...ghtsidexj7.png

Thats my naruto one, its made with grunge and a l ittle bit of the brushes people use for making tech backgrounds.

http://img340.imageshack.us/img340/2793/gaarapdfon7.png

This is my gaara sig, i dunno what to say about it

http://img340.imageshack.us/img340/5...lyswordjj3.jpg

Nice work! Though honestly I'm not a Naruto fan, I've to say that's nice work you got there.

im going to make another one in a second, you guys havent seen my abstract sigs yet lol, they arent as good as my grunge but they're alright.
Ill show you my sasuke one.
The BRING IT ON picture.
http://img101.imageshack.us/img101/5...ingitonkc0.png
can you guys tell me how i can improve please?