--- a/mercurial.tex
+++ b/mercurial.tex
@@ -41,6 +41,8 @@
 \tikzstyle{every join}=[->]
 
 \mode<presentation>{
+  \usefonttheme{structuresmallcapsserif}
+  \setbeamercolor{structure}{fg=green!30!black}
   \setbeamertemplate{navigation symbols}{}
   \setbeamertemplate{footline}[frame number]
   \setbeamertemplate{background}{
@@ -73,7 +75,7 @@
 \author{Martin Geisler\\ $\langle$\texttt{mg@lazybytes.net}$\rangle$}
 \date{JAOO Geek Night in Aarhus\\ August 25, 2009}
 
-\newcommand{\cmd}[1]{\texttt{\color{green!50!black}#1}}
+\newcommand{\cmd}[1]{\texttt{\color{green!40!black}#1}}
 \newcommand{\ext}[1]{\texttt{\color{orange!50!red}#1}}
 
 \begin{document}
@@ -787,7 +789,7 @@
 \begin{frame}{Merging}
   \tikzstyle{rev}+=[on chain, minimum size=5mm, font=\small]
   \tikzstyle{a}=[rev, draw=yellow!50!black!50, bottom color=yellow!50!black!20]
-  \tikzstyle{b}=[rev, draw=green!50!black!50, bottom color=green!50!black!20]
+  \tikzstyle{b}=[rev, draw=green!30!black!50, bottom color=green!30!black!20]
   \tikzstyle{c}=[rev, draw=blue!50!black!50, bottom color=blue!50!black!20]
   \tikzstyle{join-above}=[out=0, in=240]
   \tikzstyle{join-below}=[out=-90, in=180]
@@ -942,8 +944,7 @@
   \begin{center}
     \begin{tikzpicture}[start chain=stack going above, node distance=5mm]
       \tikzstyle{rev}+=[on chain,join]
-      \tikzstyle{patch}=[rev, draw=green!50!black!50,
-        top color=white, bottom color=green!50!black!20]
+      \tikzstyle{patch}=[rev, draw=green!30!black!50, bottom color=green!30!black!20]
       \path[use as bounding box] (0,0) -- (0, 4.5);
 
       \node[on chain] {$\vdots$};