diff --git a/install/create.md b/image/create.md
similarity index 100%
rename from install/create.md
rename to image/create.md
diff --git a/install/download.md b/image/download.md
similarity index 100%
rename from install/download.md
rename to image/download.md
diff --git a/install/get.md b/image/get.md
similarity index 100%
rename from install/get.md
rename to image/get.md
diff --git a/install/push.md b/image/push.md
similarity index 100%
rename from install/push.md
rename to image/push.md
diff --git a/install/rmi.md b/image/rmi.md
similarity index 100%
rename from install/rmi.md
rename to image/rmi.md
diff --git a/install/search.md b/image/search.md
similarity index 100%
rename from install/search.md
rename to image/search.md
diff --git a/images/docker0.png b/images/docker0.png
new file mode 100644
index 0000000..891076b
Binary files /dev/null and b/images/docker0.png differ
diff --git a/images/docker_arch.png b/images/docker_arch.png
new file mode 100644
index 0000000..64df422
Binary files /dev/null and b/images/docker_arch.png differ
diff --git a/why_use_docker/easymanagement.md b/why_use_docker/easy_management.md
similarity index 100%
rename from why_use_docker/easymanagement.md
rename to why_use_docker/easy_management.md