Basically my question is how to make this like the image that I uploaded. I know that you need to pick a shapes, and a picture of what whatever you would like to form into. Where can I buy or download that illustrator script?
You may check out below resources
Creating Repeating Patterns From Custom Shapes In Photoshop http://www.photoshopessentials.com/basics/repeating-patterns-from-custom-shapes/ http://99designs.com/designer-blog/2013/01/31/create-your-own-pattern-swatch-an-easy-5-step-illustrator-tutorial/
Combine them. You will be able to get the results.