Added back a PARCHG screenshot (and removed an old one).

README.md

@@ -112,13 +112,13 @@ All this info can be added to a ".ini"-file, which the importer will use (if it
 - Optimise histogram generation
 - Support very large datasets (currently we naively try to create 3D textures with the same dimension as the data)
 
-![alt tag](https://github.com/mlavik1/UnityVolumeRendering/blob/master/Screenshots/slices.gif)
-![alt tag](https://github.com/mlavik1/UnityVolumeRendering/blob/master/Screenshots/1.png)
-![alt tag](https://github.com/mlavik1/UnityVolumeRendering/blob/master/Screenshots/2.png)
-![alt tag](https://github.com/mlavik1/UnityVolumeRendering/blob/master/Screenshots/3.png)
-![alt tag](https://github.com/mlavik1/UnityVolumeRendering/blob/master/Screenshots/4.png)
-![alt tag](https://github.com/mlavik1/UnityVolumeRendering/blob/master/Screenshots/5.png)
-![alt tag](https://github.com/mlavik1/UnityVolumeRendering/blob/master/Screenshots/6.png)
+![alt tag](Screenshots/slices.gif)
+![alt tag](Screenshots/1.png)
+![alt tag](Screenshots/2.png)
+![alt tag](Screenshots/4.png)
+![alt tag](Screenshots/5.png)
+![alt tag](Screenshots/6.png)
+![alt tag](Screenshots/upper.png)
 
 # Contributing
 See [CONTRIBUTING.md](CONTRIBUTING.md) for how to contribute.