diff --git a/README.md b/README.md
index e5b8750..2479b4f 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@
     <td align="center"><a href="#devops"><img src="images/devops.png" width="70px;" height="75px;" alt="DevOps" /><br /><b>DevOps</b></a><br /><sub><a href="#devops-beginner">Beginner :baby:</a></sub><br><sub><a href="#devops-advanced">Advanced :star:</a></sub></td>
     <td align="center"><a href="#jenkins"><img src="images/jenkins.png" width="85px;" height="85px;" alt="Jenkins"/><br /><b>Jenkins</b></a><br /><sub><a href="#jenkins-beginner">Beginner :baby:</a></sub><br><sub><a href="#jenkins-advanced">Advanced :star:</a></sub></td>
     <td align="center"><a href="#git"><img src="images/git.png" width="80px;" height="75px;" alt="Git"/><br /><b>Git</b></a><br /><sub><a href="#git-beginner">Beginner :baby:</a></sub><br><sub><a href="#git-advanced">Advanced :star:</a></sub></td>
-    <td align="center"><a href="#ansible"><img src="images/ansible.png" width="65px;" height="75px;" alt="Ansible"/><br /><b>Ansible</b></a><br /><sub><a href="#ansible-beginner">Beginner :baby:</a></sub><br><sub><a href="#ansible-advanced">Advanced :star:</a></sub></td>
+    <td align="center"><a href="#ansible"><img src="images/ansible.png" width="75px;" height="75px;" alt="Ansible"/><br /><b>Ansible</b></a><br /><sub><a href="#ansible-beginner">Beginner :baby:</a></sub><br><sub><a href="#ansible-advanced">Advanced :star:</a></sub></td>
     <td align="center"><a href="#Network"><img src="images/network.png" width="80x;" height="75px;" alt="Network"/><br /><b>Network</b></a><br /><sub><a href="#network-beginner">Beginner :baby:</a></sub><br><sub><a href="#network-advanced">Advanced :star:</a></sub></td>
     <td align="center"><a href="#linux"><img src="images/linux.png" width="75x;" height="75px;" alt="Linux"/><br /><b>Linux</b></a><br /><sub><a href="#linux-beginner">Beginner :baby:</a></sub><br><sub><a href="#linux-advanced">Advanced :star:</a></sub></td>
     <td align="center"><a href="#terraform"><img src="images/terraform.png" width="70px;" height="75px;" alt="Terraform"/><br /><b>Terraform</b></a><br /><sub><a href="#terraform-beginner">Beginner :baby:</a></sub><br><sub><a href="#terraform-advanced">Advanced :star:</a></sub></td>
@@ -43,7 +43,7 @@
     <td align="center"><a href="#cloud"><img src="images/cloud.png" width="110px;" height="75px;" alt="Cloud"/><br /><b>Cloud</b></a><br /><sub><a href="#cloud-beginner">Beginner :baby:</a></sub><br><sub></td>
     <td align="center"><a href="#aws"><img src="images/aws.jpg" width="75px;" height="75px;" alt="aws"/><br /><b>AWS</b></a><br /><sub><a href="#aws-beginner">Beginner :baby:</a></sub><br><sub></td>
     <td align="center"><a href="#azure"><img src="images/azure.png" width="75px;" height="75px;" alt="azure"/><br /><b>Azure</b></a><br /><sub><a href="#azure-beginner">Beginner :baby:</a></sub><br><sub></td>
-    <td align="center"><a href="#gcp"><b>Google Cloud Platform</b></a><br /><sub><a href="#gcp-beginner">Beginner :baby:</a></sub><br><sub></td>
+    <td align="center"><a href="#gcp"><img src="images/googlecloud.png" width="80px;" height="75px;" alt="Google Cloud Platform"/><br /><b>Google Cloud Platform</b></a><br /><sub><a href="#gcp-beginner">Beginner :baby:</a></sub><br><sub></td>
     <td align="center"><a href="#openstack"><img src="images/openstack.png" width="75px;" height="75px;" alt="openstack"/><br /><b>OpenStack</b></a><br /><sub><a href="#openstack-beginner">Beginner :baby:</a></sub><br><sub><a href="#openstack-advanced">Advanced :star:</a></sub></td>
     <td align="center"><a href="#security"><img src="images/security.png" width="75px;" height="75px;" alt="security"/><br /><b>Security</b></a><br /><sub><a href="#security-beginner">Beginner :baby:</a></sub><br><sub><a href="#security-advanced">Advanced :star:</a></sub></td>
     <td align="center"><a href="#puppet"><img src="images/puppet.png" width="75px;" height="75px;" alt="puppet"/><br /><b>Puppet</b></a><br /><sub><a href="#puppet-beginner">Beginner :baby:</a></sub><br><sub><a href="#puppet-advanced">Advanced :star:</a></sub></td>
@@ -52,17 +52,17 @@
   <tr>
     <td align="center"><a href="#monitoring"><img src="images/monitoring.png" width="75px;" height="75px;" alt="Monitoring"/><br /><b>Monitoring</b></a><br /><sub><a href="#monitoring-beginner">Beginner :baby:</a></sub><br><sub></td>
     <td align="center"><a href="#elastic"><img src="images/elastic.png" width="110px;" height="75px;" alt="Elastic"/><br /><b>Elastic</b></a><br /><sub><a href="#elastic-beginner">Beginner :baby:</a></sub><br><sub></td>
-    <td align="center"><a href="#virtualization"><b>Virtualization</b></a><br /><sub><a href="#virtualization-beginner">Beginner :baby:</a></sub><br><sub></td>
-    <td align="center"><a href="#dns"><b>DNS</b></a><br /><sub><a href="#dns-beginner">Beginner :baby:</a></sub><br><sub></td>
-    <td align="center"><a href="#operating-system"><b>Operating System</b></a><br /><sub><a href="#operating-system-beginner">Beginner :baby:</a></sub><br><sub></td>
+    <td align="center"><a href="#virtualization"><img src="images/virtualization.png" width="75px;" height="75px;" alt="Virtualization"/><br /><b>Virtualization</b></a><br /><sub><a href="#virtualization-beginner">Beginner :baby:</a></sub><br><sub></td>
+    <td align="center"><a href="#dns"><img src="images/dns.png" width="75px;" height="75px;" alt="DNS"/><br /><b>DNS</b></a><br /><sub><a href="#dns-beginner">Beginner :baby:</a></sub><br><sub></td>
+    <td align="center"><a href="#operating-system"><img src="images/os.png" width="75px;" height="75px;" alt="Operating System"/><br /><b>Operating System</b></a><br /><sub><a href="#operating-system-beginner">Beginner :baby:</a></sub><br><sub></td>
     <td align="center"><a href="#distributed"><img src="images/distributed.png" width="110px;" height="75px;" alt="Distributed"/><br /><b>Distributed</b></a></td>
-    <td align="center"><a href="#general"><b>General</b></a><br /><sub><a href="#general-beginner">Beginner :baby:</a></sub><br><sub></td>
+    <td align="center"><a href="#general"><img src="images/general.png" width="110px;" height="75px;" alt="General"/><br /><b>General</b></a><br /><sub><a href="#general-beginner">Beginner :baby:</a></sub><br><sub></td>
     <td align="center"><a href="#HR"><img src="images/HR.png" width="110px;" height="75px;" alt="HR"/><br /><b>HR</b></a></td>
   </tr>
   <tr>
     <td align="center"><a href="#testing"><img src="images/testing.png" width="75px;" height="75px;" alt="Testing"/><br /><b>Testing</b></a></td>
     <td align="center"><a href="#databases"><img src="images/databases.png" width="75px;" height="75px;" alt="Databases"/><br /><b>Databases</b></a></td>
-    <td align="center"><a href="#regex"><b>Regex</b></a><br /><sub><a href="#regex-beginner">Beginner :baby:</a></sub><br><sub></td>
+    <td align="center"><a href="#regex"><img src="images/regex.png" width="75ph;" height="75px;" alt="RegEx"/><br /><b>Regex</b></a><br /><sub><a href="#regex-beginner">Beginner :baby:</a></sub><br><sub></td>
     <td align="center"><a href="#design"><img src="images/design.png" width="110px;" height="75px;" alt="Design"/><br /><b>Design</b></a></td>
     <td align="center"><a href="#questions-you-ask"><img src="images/you.png" width="110px;" height="75px;" alt="you"/><br /><b>Questions you ask</b></a></td>
     <td align="center"><a href="#exercises"><img src="images/exercises.png" width="110px;" height="75px;" alt="Exercises"/><br /><b>Exercises</b></a></td>
@@ -3474,7 +3474,7 @@ For more details about errors and exceptions follow this [https://docs.python.or
 <details>
 <summary>What is Lambda? How is it used?</summary><br><b>
 
-A <code>lambda</code> expression is an 'anonymous' function, the differnce from a normal defined function using the keyword `def`` is the syntax and ussage.
+A <code>lambda</code> expression is an 'anonymous' function, the difference from a normal defined function using the keyword `def`` is the syntax and usage.
 
 The syntax is:
 
@@ -3502,7 +3502,7 @@ print(addition(10, 20))
 square = lambda x : x ** 2
 print(square(5))
 ```
-Generally it is considered a bad practice under PEP 8 to asign a lambda expresion, they are meant to be used as parameters and inside of other defined functions.
+Generally it is considered a bad practice under PEP 8 to assign a lambda expresion, they are meant to be used as parameters and inside of other defined functions.
 
 </b></details>
 
diff --git a/credits.md b/credits.md
index 0a17767..0a020fe 100644
--- a/credits.md
+++ b/credits.md
@@ -13,4 +13,6 @@ Mongo logo is a trademark of <a href="www.mongodb.com">Mongo®</a><br>
 Distributed logo by <a href="https://www.iconfinder.com/Flatart">Flatart</a><br>
 Challenge icon by Elizabeth Arostegui in Technology Mix
 "Question you ask" (man raising hand) and "Database" icons by [Webalys](https://www.iconfinder.com/webalys)
-Testing logo by [Flatart](https://www.iconfinder.com/Flatart)
+Testing logo by [Flatart](https://www.iconfinder.com/Flatart)<br>
+Google Cloud Plataform Logo created by <a href="https://about.google/">Google®</a><br>
+VirtualBox Logo created by <a href="http://www.iconarchive.com/artist/dakirby309.html">dAKirby309</a>, under the <a href="https://creativecommons.org/licenses/by-nc/4.0/">Creative Commons Attribution-Noncommercial 4.0 License</a>.
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