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diff --git a/images/IMG_7798-cut.jpeg b/images/IMG_7798-cut.jpeg
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diff --git a/images/IMG_7801-cut.jpeg b/images/IMG_7801-cut.jpeg
deleted file mode 100644
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diff --git a/images/castle_1.jpeg b/images/castle_1.jpeg
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diff --git a/images/castle_2.jpeg b/images/castle_2.jpeg
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diff --git a/images/castle_3.jpeg b/images/castle_3.jpeg
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diff --git a/introduction.tex b/introduction.tex
index 9c30378..111f50d 100644
--- a/introduction.tex
+++ b/introduction.tex
@@ -48,13 +48,13 @@
 % Title page
 
 % KA palace north
-\begin{frame}[title white vertical, picture=images/IMG_7801-cut]
+\begin{frame}[title white vertical, picture=images/castle_1]
 	\titlepage
 \end{frame}
-\begin{frame}[title white vertical, picture=images/IMG_7798-cut]
+\begin{frame}[title white vertical, picture=images/castle_2]
 	\titlepage
 \end{frame}
-\begin{frame}[title white vertical, picture=images/IMG_7798-2]
+\begin{frame}[title white vertical, picture=images/castle_3]
 	\titlepage
 \end{frame}