diff --git a/src/Introduction.tex b/src/Introduction.tex
index 0e27d00..70d6f52 100644
--- a/src/Introduction.tex
+++ b/src/Introduction.tex
@@ -12,3 +12,12 @@
 \section{Introduction}
 SatNOGS Optical Unofficial Guide.
 
+\section{Process Overview}
+SatNOGS Optical Process Overview.
+
+\begin{figure}[h!]
+\includegraphics[keepaspectratio=true,height=1.10\textheight,width=1.00\textwidth,angle=0]{SNOPO.png}
+ \caption{SatNOGS Optical Process Overview}
+ \label{fig:snopo}
+\end{figure}
+
diff --git a/src/Operation.tex b/src/Operation.tex
new file mode 100644
index 0000000..34b68f2
--- /dev/null
+++ b/src/Operation.tex
@@ -0,0 +1,41 @@
+%
+% Operation
+%
+% SatNOGS Optical Unofficial Guide
+%
+% Copyright (C) 2022, Jeff Moe
+%
+% This document is licensed under the Creative Commons Attribution 4.0
+% International Public License (CC BY-SA 4.0) by Jeff Moe.
+%
+
+\section{Overview of Operation}
+\label{sec:overview-operation}
+
+Operation.
+
+
+\section{Acquire Data}
+Acquire data with acquire.py.
+
+\begin{figure}[h!]
+\includegraphics[keepaspectratio=true,height=1.10\textheight,width=1.00\textwidth,angle=0]{stvid-acquire.png}
+ \caption{Satellite images acquired by stvid.}
+ \label{fig:stvid-acquire}
+\end{figure}
+
+
+\section{Process Data}
+Process data with process.py.
+
+
+\begin{figure}[h!]
+\includegraphics[keepaspectratio=true,height=1.10\textheight,width=1.00\textwidth,angle=0]{stvid-process.png}
+ \caption{Satellite images processed by stvid.}
+ \label{fig:stvid-process}
+\end{figure}
+
+
+\section{Upload Data}
+Push.
+
diff --git a/src/SNOUG.tex b/src/SNOUG.tex
index bc73619..4bdcabe 100644
--- a/src/SNOUG.tex
+++ b/src/SNOUG.tex
@@ -62,7 +62,7 @@ leftmargin=1cm,rightmargin=1cm
 % /usr/share/doc/texlive-doc/latex/hyperref/hyperref.pdf
 \usepackage[colorlinks=true,linkcolor=jebba-dark-orange,urlcolor=jebba-dark-orange]{hyperref}
 %\usepackage{url} % /usr/share/doc/texlive-doc/latex/url/url.pdf % Use hyperref.
-\graphicspath{{./resources/}}
+\graphicspath{{./figures/}}
 
 \makeindex
 \makeglossary
diff --git a/src/figures/SNOPO.png b/src/figures/SNOPO.png
new file mode 100644
index 0000000..34b36b8
Binary files /dev/null and b/src/figures/SNOPO.png differ