YouTube link & screenshots updated.

README.md

@@ -8,13 +8,14 @@ Git: https://git.backbone.ws/gtk/cairo-chart
 
 ## View YouTube movie
 
-[![View video](https://img.youtube.com/vi/wmZAw2csjQg/0.jpg)](https://www.youtube.com/watch?v=wmZAw2csjQg)
+[![View video](https://img.youtube.com/vi/GpnObfofqYI/0.jpg)](https://www.youtube.com/watch?v=GpnObfofqYI)
 
 ## Screenshots
-![Screenshot1](https://redmine.backbone.ws/attachments/download/424/20171225_020441.png)
-![Screenshot2](https://redmine.backbone.ws/attachments/download/425/20171225_020414.png)
-![Screenshot3](https://redmine.backbone.ws/attachments/download/426/20171225_020350.png)
-![Screenshot4](https://redmine.backbone.ws/attachments/download/427/20171225_020330.png)
-![Screenshot5](https://redmine.backbone.ws/attachments/download/428/20171225_020315.png)
-![Screenshot6](https://redmine.backbone.ws/attachments/download/429/20171225_020301.png)
-![Screenshot7](https://redmine.backbone.ws/attachments/download/430/20171225_020237.png)
+![Screenshot1](https://redmine.backbone.ws/attachments/download/444/20180221_122422.png)
+![Screenshot2](https://redmine.backbone.ws/attachments/download/443/20180221_122449.png)
+![Screenshot3](https://redmine.backbone.ws/attachments/download/442/20180221_122459.png)
+![Screenshot4](https://redmine.backbone.ws/attachments/download/441/20180221_122508.png)
+![Screenshot5](https://redmine.backbone.ws/attachments/download/440/20180221_122535.png)
+![Screenshot6](https://redmine.backbone.ws/attachments/download/439/20180221_122520.png)
+![Screenshot7](https://redmine.backbone.ws/attachments/download/438/20180221_122546.png)
+![Screenshot8](https://redmine.backbone.ws/attachments/download/437/20180221_122553.png)