Pam Carriker's book "Creating Art at the Speed of Life" has been such an inspiration for me. If you need a push to try new things, this is a great book. Now, I certainly didn't have all the items called for in the "recipes" but that's where our creativity comes in. Use what you have, enjoy the process, learn new things, and remember that's it's okay if something didn't work - that's how we learn.
Here's all of them in one place: