Update links/images

Author: tiimgreen

README.md

@@ -77,11 +77,11 @@ Adding `?w=1` to any diff URL will remove any changes only in whitespace, enabli
 ### Adjust Tab Space
 Adding `?ts=4` to a diff or file URL will display tab characters as 4 spaces wide instead of the default 8. The number after `ts` can be adjusted to suit your preference. This does not work on Gists, or raw file views, but a [Chrome extension](https://chrome.google.com/webstore/detail/github-tab-size/ofjbgncegkdemndciafljngjbdpfmbkn) can automate this.
 
-Here is a Go source file [before](https://github.com/pengwynn/flint/blob/master/flint/flint.go) adding `?ts=4`:
+Here is a Go source file before adding `?ts=4`:
 
 ![Before, tab space example](http://i.imgur.com/GIT1Fr0.png)
 
-...and this is [after](https://github.com/pengwynn/flint/blob/master/flint/flint.go?ts=4) adding `?ts=4`:
+...and this is after adding `?ts=4`:
 
 ![After, tab space example](http://i.imgur.com/70FL4H9.png)
 
@@ -92,7 +92,7 @@ To view all commits on a repo by author add `?author=username` to the URL.
 https://github.com/rails/rails/commits/master?author=dhh
 ```
 
-![DHH commit history](http://i.imgur.com/mDWwuaY.png)
+![DHH commit history](http://i.imgur.com/S7AE29b.png)
 
 [*Read more about the differences between commits views.*](https://help.github.com/articles/differences-between-commit-views)
 
@@ -149,7 +149,7 @@ For example:
 https://github.com/rails/rails/compare/master...4-1-stable
 ```
 
-![Rails branch compare example](http://i.imgur.com/0Z52X5Y.png)
+![Rails branch compare example](http://i.imgur.com/tIRCOsK.png)
 
 `{range}` can be changed to things like: