openclipart2-png software package provides clip art in PNG format, 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 openclipart2-png
openclipart2-png is installed in your system.
Make ensure the openclipart2-png package were installed using the commands given below,
$ sudo dpkg-query -l | grep openclipart2-png *
You will get with openclipart2-png package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Graphics |
| Package | openclipart2-png |
| Version | 2.0+dfsg-1ubuntu1 |
| Description | clip art in PNG format |
| Sub Section | Graphics |