oops, restore broken theme preview

themes/gnzh.zsh-theme

@@ -1,4 +1,4 @@
-# ZSH Theme - Preview: http://gyazo.com/8becc8a7ed5ab54a0262a470555c3eed.png
+# ZSH Theme - Preview: http://dl.dropbox.com/u/4109351/pics/gnzh-zsh-theme.png
 # Based on bira theme
 
 # load some modules