Lol at the three 'B's in my title.
This was more of a vector practice, I'm not sure how usable it is as a wallpaper, but I couldn't resist not using Byakuya's awesome expression. :3

Credits go to flutterstock (Many Petals Brush)
Original image here: http://img356.imageshack.us/my.php?image=byakuya057animestockscopw6.jpg