diff --git a/docs/manual/images/fig2.png b/docs/manual/images/fig2.png
new file mode 100644
index 0000000..dcd7334
Binary files /dev/null and b/docs/manual/images/fig2.png differ
diff --git a/docs/manual/images/fig3.png b/docs/manual/images/fig3.png
new file mode 100644
index 0000000..33dd8f1
Binary files /dev/null and b/docs/manual/images/fig3.png differ
diff --git a/docs/manual/images/fig4.png b/docs/manual/images/fig4.png
new file mode 100644
index 0000000..7f2d267
Binary files /dev/null and b/docs/manual/images/fig4.png differ
diff --git a/docs/manual/images/fig5.png b/docs/manual/images/fig5.png
new file mode 100644
index 0000000..4a4c18a
Binary files /dev/null and b/docs/manual/images/fig5.png differ