mkvmerge GUI
Its in the software center look for "mkv merge"
MKVToolNix is a set of tools to create, alter and inspect Matroska files under Linux, other Unices and Windows. They do for Matroska what the OGMtools do for the OGM format and then some.
http://www.bunkus.org/videotools/mkvt...
wallpaper that i made
http://www.deviantart.com/download/28...