diff --git a/upload_screenshot.sh b/upload_screenshot.sh
index e02d8c5..7968193 100755
--- a/upload_screenshot.sh
+++ b/upload_screenshot.sh
@@ -1,5 +1,27 @@
 #!/bin/sh
 
+# upload_screenshot.sh takes a screenshot and load it up
+# to a specified place on your server and copies the URL
+# to the pasteboard so you can paste it in a chat, mail, etc.
+# You have to use SSH login without password <http://linuxproblem.org/art_9.html>
+#
+# You can pass it a parameter with a differens file name (without .png),
+# without it the filename will be latest.png
+#
+# I recommend to use Quicksilver to start this script. You have to chmod 755 it
+# before you can run it.
+# 
+# Autor: Jeena Paradies <spam@jeenaparadies.net>
+# This script is public domain.
+# This script is OS X only.
+
+# scp style server path:
+server_path="me@example.com:~/htdocs/screens/"
+
+# url to the server
+server_url="http://example.com/screens/"
+
+
 filename=$1
 if [ -z $1 ]; then filename="latest"; fi
 	
@@ -7,8 +29,8 @@ screencapture -i "/tmp/latest-screenshot.png"
 
 if [ -r /tmp/latest-screenshot.png ]
 then
-	scp /tmp/latest-screenshot.png me@example.com:~/htdocs/s/$filename.png
+	scp /tmp/latest-screenshot.png $server_path$filename.png
 	rm /tmp/latest-screenshot.png
-	echo "http://example.com/s/$filename.png" | pbcopy
+	echo "$server_url$filename.png" | pbcopy
 	growl -nosticky "Screenshot ready"
 fi