diff --git a/assets/files/hertzblatt/images/2022-1.jpg b/assets/files/hertzblatt/images/2022-1.jpg
index 73c1c3c..a8ee3e1 100644
--- a/assets/files/hertzblatt/images/2022-1.jpg
+++ b/assets/files/hertzblatt/images/2022-1.jpg
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d2b0d8f063bc26e3d3c2456eba924de059f4ce5db96e0b462f328442d6668541
-size 74140
+oid sha256:e3cd572f201ff1f3e75da29936d2f425d315d610a9a4ca1571b48e4ddf796d49
+size 97624
diff --git a/assets/files/hertzblatt/images/2022-2.jpg b/assets/files/hertzblatt/images/2022-2.jpg
index c2f56e9..b06d61a 100644
--- a/assets/files/hertzblatt/images/2022-2.jpg
+++ b/assets/files/hertzblatt/images/2022-2.jpg
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d84160d80dc38a03e9681b2130276c35e75571a3ded50c61e6558b599f8b1ae2
-size 84446
+oid sha256:e222876eb7a492da090b510404373f38334c0537c7a63e4643b80f90fb4e4a62
+size 109593
diff --git a/assets/files/hertzblatt/images/2022-3.jpg b/assets/files/hertzblatt/images/2022-3.jpg
index 97bf4d7..78975d3 100644
--- a/assets/files/hertzblatt/images/2022-3.jpg
+++ b/assets/files/hertzblatt/images/2022-3.jpg
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7c5e797426a1e7c2f6cfb66a7e51fc416dd6ce874a3e7b6c1c46ebf16117d705
-size 73000
+oid sha256:5a7843750c7b0c389d1a4e0f40657dc18a11ef6669cf1fe610e7443bdf6e8c58
+size 96464
diff --git a/scripts/generate_thumbnails.sh b/scripts/generate_thumbnails.sh
index 992451f..89a0261 100755
--- a/scripts/generate_thumbnails.sh
+++ b/scripts/generate_thumbnails.sh
@@ -15,7 +15,7 @@ fi
 
 pdfs=()
 
-get_image_path () {
+get_image_path() {
   echo "$1" | sed -r 's/(.+)\/pdf\/([^/]+)\.pdf/\1\/images\/\2.jpg/'
 }
 
@@ -34,9 +34,8 @@ if [ "$n" == "0" ]; then
 else
   for file in "${pdfs[@]}"; do
     printf "Generating Thumbnail $i/$n for $file... "
-    convert -resize 500x700! -colorspace RGB -density 96 -quality 85 "$file[0]" "$(get_image_path "$file")"
+    convert -resize 500x700! -colorspace RGB -density 96 -quality 85 -background white -alpha remove "$file[0]" "$(get_image_path "$file")"
     printf "Done\n"
-    i=$(( i + 1 ))
+    i=$((i + 1))
   done
 fi
-