matchbox-themes-extra software package provides extra themes for matchbox-window-manager, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install matchbox-themes-extra
matchbox-themes-extra is installed in your system.
Make ensure the matchbox-themes-extra package were installed using the commands given below,
$ sudo dpkg-query -l | grep matchbox-themes-extra *
You will get with matchbox-themes-extra package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Embedded software |
| Package | matchbox-themes-extra |
| Version | 0.3-3 |
| Description | extra themes for matchbox-window-manager |
| Sub Section | Embedded |