diff --git a/README.md b/README.md
index 69b3170..fc40168 100644
--- a/README.md
+++ b/README.md
@@ -379,22 +379,29 @@ More information on Nose can be found [here](https://nose.readthedocs.org/en/lat
 
 ## Credits
 
-* [Cracking the Coding Interview](http://www.amazon.com/Cracking-Coding-Interview-Programming-Questions/dp/098478280X) | [GitHub](https://github.com/gaylemcd/ctci)
-* [Elements of Programming Interviews](http://www.amazon.com/Elements-Programming-Interviews-Insiders-Guide/dp/1479274836) | [GitHub](https://github.com/epibook/epibook.github.io)
+### Resources
+
+* [Cracking the Coding Interview](http://www.amazon.com/Cracking-Coding-Interview-Programming-Questions/dp/098478280X) | [GitHub Solutions](https://github.com/gaylemcd/ctci)
+* [Elements of Programming Interviews](http://www.amazon.com/Elements-Programming-Interviews-Insiders-Guide/dp/1479274836) | [GitHub Solutions](https://github.com/epibook/epibook.github.io)
 * [Programming Interviews Exposed](http://www.amazon.com/gp/product/1118261364/)
-* [The Algorithm Design Manual](http://www.amazon.com/Algorithm-Design-Manual-Steve-Skiena/dp/0387948600) | [Selected Solutions](http://www.algorithm.cs.sunysb.edu/algowiki/index.php/The_Algorithms_Design_Manual_(Second_Edition))
+* [The Algorithm Design Manual](http://www.amazon.com/Algorithm-Design-Manual-Steve-Skiena/dp/0387948600) | [Selected Solutions](http://www.algorithm.cs.sunysb.edu/algowiki/index.php/The_Algorithms_Design_Manual_(Second_Edition)
 * [CareerCup](http://www.careercup.com/)
 * [Quora](http://www.quora.com/)
 * [HackerRank](https://www.hackerrank.com)
 * [TopCoder](https://www.topcoder.com/)
 
-## Contributing
+### Images
 
-Contributions are welcome!
-
-For bug reports or requests please [submit an issue](https://github.com/donnemartin/data-science-ipython-notebooks/issues).
-
-For pull requests, please follow the general notebook format.
+* [Arrays and Strings: nltk.org](http://www.nltk.org/images/string-slicing.png)
+* [Linked Lists: wikipedia.org](https://upload.wikimedia.org/wikipedia/commons/6/6d/Singly-linked-list.svg)
+* [Stacks: wikipedia.org](https://upload.wikimedia.org/wikipedia/commons/2/29/Data_stack.svg)
+* [Queues: wikipedia.org](https://upload.wikimedia.org/wikipedia/commons/5/52/Data_Queue.svg)
+* [Sorting and Searching: wikipedia.org](https://upload.wikimedia.org/wikipedia/commons/6/6a/Sorting_quicksort_anim.gif)
+* [Recursion and Dynamic Programming: wikipedia.org](https://upload.wikimedia.org/wikipedia/commons/b/bf/PascalTriangleFibanacci.svg)
+* [Trees and Graphs: wikipedia.org](https://upload.wikimedia.org/wikipedia/commons/f/f7/Binary_tree.svg)
+* [Mathematics and Probability: wikipedia.org](https://upload.wikimedia.org/wikipedia/commons/d/d2/Gaussian_distribution_2.jpg)
+* [Bit Manipulation: wikipedia.org](https://upload.wikimedia.org/wikipedia/commons/5/5c/Rotate_left_logically.svg)
+* [Online Judges: topcoder.com](https://www.topcoder.com/wp-content/uploads/2014/05/topcoder_logo_home_sm.png)
 
 ## Contact Info
 
@@ -420,4 +427,4 @@ Feel free to contact me to discuss any issues, questions, or comments.
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
-    limitations under the License.
+    limitations under the License.
\ No newline at end of file