Design 10 cool graphics in black and white (Ipad size)

I need 10 vector graphic design in black and white (no greyscale) , requirements as follows: 1) The graphics should fit onto the back of the new ipad, avoiding the apple logo and the serial no.s below. (Template / dimensions to done) 2) They are being used for laser engraving onto the ipad, you will need to utilize as much space as possible on the ipad. 3) Detailed and intricate designs is required. 4) Willing to make changes and do a few variations for me to choose from. 5) Variety of styles, no limits on topics or subjects, based on your creativity. 6) Timeline is 2 weeks.