Added lock script, images and screenshot

lock

@@ -0,0 +1,22 @@
+#!/bin/bash
+ 
+# Dependencies:
+# imagemagick
+# i3lock-color-git
+# scrot
+ 
+IMAGE=/tmp/i3lock.png
+ 
+# All options are here: http://www.imagemagick.org/Usage/blur/#blur_args
+#BLURTYPE="0x5" # 7.52s
+#BLURTYPE="0x2" # 4.39s
+BLURTYPE="5x3" # 3.80s
+#BLURTYPE="2x8" # 2.90s
+#BLURTYPE="2x3" # 2.92s
+
+scrot $IMAGE
+convert $IMAGE -blur $BLURTYPE $IMAGE
+composite -gravity center lock.png  $IMAGE  $IMAGE
+convert $IMAGE -font Liberation-Sans -pointsize 26 -fill white -gravity center -annotate +0+200 'Type password to unlock' $IMAGE
+i3lock --textcolor=ffffff00 --insidecolor=ffffff1c --ringcolor=ffffff3e --linecolor=ffffff00 --keyhlcolor=00000080 --ringvercolor=00000000 --insidevercolor=0000001c --ringwrongcolor=00000055 --insidewrongcolor=0000001c  -i $IMAGE
+rm $IMAGE