OpenShot Video Editor is a free open-source video editing software for Linux, built with Python, GTK, and the MLT Framework.
To install Openshot on linux mint 11
1.Open linux mint software manager. To open software manager in linux mint, click Menu button and select software manager under system.
2.Type OpenShot in the software manager search field and select openshot.
4.Type your ubuntu password if needed.
5.After the successful installation close software manager and click start menu and type openshot in the search field and click openshot video editor.