Search:

My third design:

http://i.imgur.com/9yuBnwp.png

Final grayscale version:

http://i.imgur.com/3M9ytMp.png

second design

http://i.imgur.com/Tf7v6BH.png

other version:

http://i.imgur.com/E2sIA6x.pnghttp://i.imgur.com/X1211ce.pnghttp://i.imgur.com/hLJQKwz.png

My first design:

http://i.imgur.com/8l9lLif.jpg