diff --git a/STABLE/documentation/images/Netfilter.png b/STABLE/documentation/images/Netfilter.png
new file mode 100755
index 000000000..070cf469c
Binary files /dev/null and b/STABLE/documentation/images/Netfilter.png differ
diff --git a/STABLE/documentation/images/ThreeNets.png b/STABLE/documentation/images/ThreeNets.png
new file mode 100755
index 000000000..d52c75cd0
Binary files /dev/null and b/STABLE/documentation/images/ThreeNets.png differ
diff --git a/STABLE/documentation/images/network.png b/STABLE/documentation/images/network.png
index 8e07ed5c8..fa5f207c6 100644
Binary files a/STABLE/documentation/images/network.png and b/STABLE/documentation/images/network.png differ