diff --git a/wanikaliwallpaper-plasma.sh b/wanikaliwallpaper-plasma.sh
index 6bf3525..cee1576 100755
--- a/wanikaliwallpaper-plasma.sh
+++ b/wanikaliwallpaper-plasma.sh
@@ -1,13 +1,23 @@
 #!/bin/bash
 date='date +%Y-%m-%d\ %T'
 logfile=~/.wkgen.log
-filelocation=/home/plex/Pictures/wallpaper/wk-progress.1.png
+prepath="${XDG_PICTURES_DIR:=$HOME/Pictures}"
+mkdir -p "$prepath/wallpaper"
+filelocation="$prepath/wallpaper/wk-progress.1.png"
 set -e
+oldhash="$(sha256sum $filelocation || echo none)"
 echo "[$(eval $date)]: starting webrequests..." | tee -a $logfile
-curl -s -o $filelocation "https://wkgen.homeserver.box/?k=7b98a684-5c91-44ab-86b1-f7023609fe4e&d=1"
-echo "[$(eval $date)]: setting wallpaper..." | tee -a $logfile
-kwriteconfig5 \
-        --file "$HOME/.config/plasma-org.kde.plasma.desktop-appletsrc" \
-        --group 'Containments' --group '1' --group 'Wallpaper' --group 'org.kde.image' \
-        --group 'General' --key 'Image' $filelocation
-echo "[$(eval $date)]: done" | tee -a $logfile
+curl -s -o $filelocation -A "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36" -o "wallpaper.png" "http://wkw.natural20design.com/?k=7b98a684-5c91-44ab-86b1-f7023609fe4e&d=1"
+newhash="$(sha256sum $filelocation)"
+echo -e "\tnew:\t$newhash\n\told:\t$oldhash"
+if [[ "$oldhash" = "$newhash" ]]; then
+    echo "same files, nothing to do"
+    exit
+else
+    echo "[$(eval $date)]: setting wallpaper..." | tee -a $logfile
+    kwriteconfig5 --file \
+    "$HOME/.config/plasma-org.kde.plasma.desktop-appletsrc" --group \
+    'Containments' --group '1' --group 'Wallpaper' --group 'org.kde.image' \
+    --group 'General' --key 'Image' "$filelocation"
+    echo "[$(eval $date)]: done" | tee -a $logfile
+fi