adding poster plots changing colors

poster/main.tex

@@ -49,34 +49,35 @@ blockverticalspace=2mm, colspace=20mm, subcolspace=0mm]{tikzposter} %Default val
     \noindent
     \begin{itemize}
         \setlength\itemsep{0.5em}
-        \item Two fish compete for one hidding place in one tank,
+        \item Two fish compete for one hidding place in one tank.
         \item Experiment had a 3 hour long darkphase and a 3 hour long light phase.
     \end{itemize}
 
     \noindent
-
     \begin{tikzfigure}[]
         \label{fig:example_b}
         \includegraphics[width=\linewidth]{figs/chirps_winner_loser.pdf}
     \end{tikzfigure}
-
-
+    \noindent
     \begin{itemize}
-        \setlength\itemsep{0.5em}
         \item Fish who lost the competition chirped more often than the fish who lost.
         \item Size has an effect on the Competition outcome, and the chirp count.
+        \item Frequency of the fish has no effect on the competition outcome.
     \end{itemize}
-
 }
 
-\myblock[TranspBlock]{Interactions at modulations}{
+\myblock[TranspBlock]{Are Chirps coding for onset or offset of physical interaction?}{
     \vspace{-1.2cm}
-    \begin{tikzfigure}[]
-        \label{fig:example_c}
-        \includegraphics[width=0.5\linewidth]{example-image-c}
-    \end{tikzfigure}
-
-
+    \begin{minipage}{0.6666\linewidth}
+        \begin{tikzfigure}[]
+            \includegraphics[width=0.3\linewidth]{figs/chirps_in_chasing.pdf}
+        \end{tikzfigure}
+    \end{minipage}
+        \begin{minipage}{0.3333\linewidth}
+            \begin{tikzfigure}[]
+                \includegraphics[width=\linewidth]{figs/chirps_in_chasing.pdf}
+            \end{tikzfigure}
+    \end{minipage}
 }
 
 \myblock[GrayBlock]{Conclusion}{