Before choosing a CC license, there are a few things to consider:
An easy-to use tool to help you decide which license will meet your need is available at the Creative Commons website. By answering a few questions about your intentions for your work, the License Chooser suggests an appropriate license.
Outlines things to think about before applying Creative Commons license to your material, or use Creative Commons-licensed material
Learn how to mark your work with a Creative Commons license.
Provides some good (and not so good) examples of attribution.
Easily cite open materials. This tool will automatically generate the attribution for you.
This tool allows you to create your own embeddable license image, By entering additional information like your name, the name of the work and a source URL, you can help others properly attribute your work.