diff --git a/slides/common/Contributing.tex b/slides/common/Contributing.tex
index 1aaeadf..badcec0 100644
--- a/slides/common/Contributing.tex
+++ b/slides/common/Contributing.tex
@@ -1,18 +1,21 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \section{Contributing}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-\begin{frame}
-	\frametitle{Outline}
-	\begin{columns}[t]
-		\begin{column}{.5\textwidth}
-			\tableofcontents[sections={1-9},currentsection]
-		\end{column}
-		\begin{column}{.5\textwidth}
-			\tableofcontents[sections={10-18},currentsection]
-		\end{column}
-	\end{columns}
-\end{frame}
+{   
+	\usebackgroundtemplate{
+		\vbox to \paperheight{\vfil\hbox to \paperwidth{\hfil\includegraphics[height=\paperheight]{logos/contribution.png}\hfil}\vfil}
+		%https://www.flaticon.com/free-icon/decoration_2788716
+		%<a href="https://www.flaticon.com/free-icons/decoration" title="decoration icons">Decoration icons created by Freepik - Flaticon</a>
+		
+	}
+	\frame{
+		\frametitle{How to contribute back}
+		\begin{mdframed}[tikzsetting={draw=white,fill=white,fill opacity=0.8,
+				line width=0pt},backgroundcolor=none,leftmargin=0,
+			rightmargin=150,innertopmargin=4pt,roundcorner=10pt]
+			\tableofcontents[currentsection,sections={1-4},hideothersubsections]
+		\end{mdframed}
+	}
+}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}