diff --git a/index.php b/public/index.php
similarity index 100%
rename from index.php
rename to public/index.php
diff --git a/tex2png.sh b/public/tex2png.sh
similarity index 77%
rename from tex2png.sh
rename to public/tex2png.sh
index b5c732d..554f09c 100755
--- a/tex2png.sh
+++ b/public/tex2png.sh
@@ -5,7 +5,7 @@ out="${file%.tex}.png"
 
 makepng() {
     latex -interaction nonstopmode "$file" >/dev/null 2>&1 || return 1
-    dvipng -D 200 -T tight -bg Transparent -o  "$out" "${file%.tex}.dvi" >/dev/null 2>&1 || return 1
+    dvipng -D 150 -T tight -bg Transparent -o  "$out" "${file%.tex}.dvi" >/dev/null 2>&1 || return 1
 }
 
 makepng && echo "$out" || exit 1
diff --git a/public/texpngweb.el b/public/texpngweb.el
new file mode 100644
index 0000000..96c01a8
--- /dev/null
+++ b/public/texpngweb.el
@@ -0,0 +1,14 @@
+;; Sample emacs configuration for this setup
+
+(setq org-preview-latex-process-alist
+      '((texpngweb
+	 :programs ("curl")
+	 :description "tex > png"
+	 :message "you need to install curl."
+	 :image-input-type "tex"
+	 :image-output-type "png"
+	 :image-size-adjust (1.0 . 1.0)
+	 :latex-compiler ("curl -F \"file=@%f\" http://0.0.0.0:8000")
+	 :image-converter ("curl http://0.0.0.0:8000/tmp.png -o %O"))))
+
+(setq org-latex-create-formula-image-program 'texpngweb)