diff --git a/docs/images/gsflex-case1.png b/docs/images/gsflex-case1.png
new file mode 100644
index 000000000000..4ef9b83a23d9
Binary files /dev/null and b/docs/images/gsflex-case1.png differ
diff --git a/docs/images/gsflex-case2.png b/docs/images/gsflex-case2.png
new file mode 100644
index 000000000000..6f0faf0ebfa7
Binary files /dev/null and b/docs/images/gsflex-case2.png differ
diff --git a/docs/images/gsflex-case3.png b/docs/images/gsflex-case3.png
new file mode 100644
index 000000000000..d9639996fdf5
Binary files /dev/null and b/docs/images/gsflex-case3.png differ
diff --git a/docs/images/gsflex-case4.png b/docs/images/gsflex-case4.png
new file mode 100644
index 000000000000..2e33cc523ca5
Binary files /dev/null and b/docs/images/gsflex-case4.png differ
diff --git a/docs/images/gsflex-overview.png b/docs/images/gsflex-overview.png
new file mode 100644
index 000000000000..e354741d555d
Binary files /dev/null and b/docs/images/gsflex-overview.png differ