Leopard and Giraffe Print

We are working on a safari invitation and press items, which require background images of: 1) a traditional leopard print 2) a giraffe print Details are as follows: 1. FILE TYPE: We need the files to be vector files in Illustrator (.ai). We use CS2. 2. COLORS: We would like the leopard print file in two colors (white, black and brown) and in just B&W. We would like the giraffe print in just B&W. 3. SIZE: We need both files to measure 11 x 17. 4. ORGANIZATION: Please place images in clearly organized layers. If you need additional information, please let me know.