--- a/planarity/presentation.tex	Wed May 09 01:15:09 2012 +0200
+++ b/planarity/presentation.tex	Wed May 09 01:44:11 2012 +0200
@@ -275,11 +275,13 @@
 		\begin{column}{.4\textwidth}	
 \begin{figure}
 \begin{tikzpicture}[auto]
-	\node<1>[vertex] (s) at (0,0) {};
-	\node<1>[vertex] (t) at (0,-3) {};
-	\path<1>[edge] (s) .. controls (-1,1) and (1,1) .. (s);
-	\path<1>[edge] (s) .. controls (-0.5,-1.5) .. (t);
-	\path<1>[edge] (s) .. controls (0.5,-1.5) .. (t);
+	\useasboundingbox (-1, -1) rectangle (7,7);
+
+	\node<1>[vertex] (t) at (2,5) {};
+	\node<1>[vertex] (s) at (2,2) {};
+	\path<1>[edge] (t) .. controls (1,6) and (3,6) .. (t);
+	\path<1>[edge] (s) .. controls (1.5,3.5) .. (t);
+	\path<1>[edge] (s) .. controls (2.5,3.5) .. (t);
 
     \foreach \pos/\name in {{(0,0)/a}, {(0,2)/b}, {(2,0)/c},{(2,2)/d},
                             {(1,1)/e}}
@@ -308,9 +310,9 @@
         \path<3,5>[edge] (\source) -- (\dest);        
     \path<3,5>[edge] (g) .. controls (3, 5.5) .. (k);
 
-    \foreach \pos/\name in {{(0,0)/a}, {(0,2)/b}, {(2,0)/c},{(2,2)/d}}
+    \foreach \pos/\name in {{(0,3)/a}, {(0,5)/b}, {(2,3)/c},{(2,5)/d}}
         \node<4>[vertex] (\name) at \pos {};
-    \node<4>[vertex, fill=red!25] (e) at (1, 1) {};
+    \node<4>[vertex, fill=red!25] (e) at (1, 4) {};
         
     \foreach \source/ \dest in {a/b, a/c, c/d, b/d,
                                 a/e, e/d}
@@ -461,6 +463,8 @@
 		\begin{column}{.65\textwidth}
 \begin{figure}
 \begin{tikzpicture}[auto, scale=0.7]
+	\useasboundingbox (-2,0) rectangle (6,10);
+
     \foreach \pos/\name in {{(0,0)/a},{(0,2)/b},{(-1,4)/c},{(-2,6)/d},{(0,6)/e},
                             {(-1,8)/f}, {(1,8)/g},
                             {(3,4)/h}, {(5,6)/i}, {(4,8)/j},{(6,8)/k}}
@@ -751,7 +755,6 @@
 	\frametitle{FMR}
 	
 	\begin{block}{Algorithmus}
-		Rekursives Betrachten der Kreise und Teilgraphen mit drei Fällen:
 		\begin{itemize}
 			\item Erstellen einer \alert{DFS-Orientierung}
 			\item Berechnen von \alert{lowpoints}