Update README.md

Author: makotokw

README.md

@@ -4,9 +4,7 @@ Redmine gitmike theme
 This is github-like theme for Redmine.
 It is based on A1 theme version 1.0.3 by Kirill Bezrukov www.redminecrm.com.
 
-[screenshot1]: http://dl.dropbox.com/u/8932138/screenshot/gitmike/gitmike_2013-07-12_0706.png "gitmike screenshot"
-
-![gitmike screenshot][screenshot1]
+![gitmike screnshot](./screenshot.png)
 
 ## Installation